Home / 7,474.10-10,311.09-4,329.14

Finding the Fourth Proportional to 7,474.10, 10,311.09 and 4,329.14

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Solution

The fourth proportional to 7,474.10, 10,311.09 and 4,329.14 is: 5,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.10 : 10,311.09 = 4,329.14 : x
  2. Step 2: Convert to fraction form
    7,474.10/10,311.09 = 4,329.14/x
  3. Step 3: Cross multiply
    7,474.10x = 10,311.09 × 4,329.14
  4. Step 4: Simplify right side
    7,474.10x = 44,638,152.16
  5. Step 5: Solve for x
    x = 44,638,152.16/7,474.10
  6. Step 6: Final answer
    x = 5,972.38

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.