Home / 7,162.20-9,885.10-4,510.44

Finding the Fourth Proportional to 7,162.20, 9,885.10 and 4,510.44

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Solution

The fourth proportional to 7,162.20, 9,885.10 and 4,510.44 is: 6,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.20 : 9,885.10 = 4,510.44 : x
  2. Step 2: Convert to fraction form
    7,162.20/9,885.10 = 4,510.44/x
  3. Step 3: Cross multiply
    7,162.20x = 9,885.10 × 4,510.44
  4. Step 4: Simplify right side
    7,162.20x = 44,586,186.43
  5. Step 5: Solve for x
    x = 44,586,186.43/7,162.20
  6. Step 6: Final answer
    x = 6,225.21

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Half scale
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Double scale
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Similar ratio
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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.