Home / 10,306.50-15,447.08-4,752.14

Finding the Fourth Proportional to 10,306.50, 15,447.08 and 4,752.14

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Solution

The fourth proportional to 10,306.50, 15,447.08 and 4,752.14 is: 7,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.50 : 15,447.08 = 4,752.14 : x
  2. Step 2: Convert to fraction form
    10,306.50/15,447.08 = 4,752.14/x
  3. Step 3: Cross multiply
    10,306.50x = 15,447.08 × 4,752.14
  4. Step 4: Simplify right side
    10,306.50x = 73,406,686.75
  5. Step 5: Solve for x
    x = 73,406,686.75/10,306.50
  6. Step 6: Final answer
    x = 7,122.37

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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.