Home / 10,157.40-15,225.17-6,257.25

Finding the Fourth Proportional to 10,157.40, 15,225.17 and 6,257.25

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Solution

The fourth proportional to 10,157.40, 15,225.17 and 6,257.25 is: 9,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.40 : 15,225.17 = 6,257.25 : x
  2. Step 2: Convert to fraction form
    10,157.40/15,225.17 = 6,257.25/x
  3. Step 3: Cross multiply
    10,157.40x = 15,225.17 × 6,257.25
  4. Step 4: Simplify right side
    10,157.40x = 95,267,663.70
  5. Step 5: Solve for x
    x = 95,267,663.70/10,157.40
  6. Step 6: Final answer
    x = 9,379.14

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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.