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Finding the Fourth Proportional to 6,315.96, 9,482.16 and 4,245.18

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Solution

The fourth proportional to 6,315.96, 9,482.16 and 4,245.18 is: 6,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.96 : 9,482.16 = 4,245.18 : x
  2. Step 2: Convert to fraction form
    6,315.96/9,482.16 = 4,245.18/x
  3. Step 3: Cross multiply
    6,315.96x = 9,482.16 × 4,245.18
  4. Step 4: Simplify right side
    6,315.96x = 40,253,475.99
  5. Step 5: Solve for x
    x = 40,253,475.99/6,315.96
  6. Step 6: Final answer
    x = 6,373.29

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Half scale
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Double scale
Find fourth proportional to 6,316.96, 9,483.66 and 4,246.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.