Home / 10,355.10-15,521.13-6,200.70

Finding the Fourth Proportional to 10,355.10, 15,521.13 and 6,200.70

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Solution

The fourth proportional to 10,355.10, 15,521.13 and 6,200.70 is: 9,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.10 : 15,521.13 = 6,200.70 : x
  2. Step 2: Convert to fraction form
    10,355.10/15,521.13 = 6,200.70/x
  3. Step 3: Cross multiply
    10,355.10x = 15,521.13 × 6,200.70
  4. Step 4: Simplify right side
    10,355.10x = 96,241,870.79
  5. Step 5: Solve for x
    x = 96,241,870.79/10,355.10
  6. Step 6: Final answer
    x = 9,294.15

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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.