Home / 10,140.14-15,211.11-3,566.38

Finding the Fourth Proportional to 10,140.14, 15,211.11 and 3,566.38

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Solution

The fourth proportional to 10,140.14, 15,211.11 and 3,566.38 is: 5,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.14 : 15,211.11 = 3,566.38 : x
  2. Step 2: Convert to fraction form
    10,140.14/15,211.11 = 3,566.38/x
  3. Step 3: Cross multiply
    10,140.14x = 15,211.11 × 3,566.38
  4. Step 4: Simplify right side
    10,140.14x = 54,248,598.48
  5. Step 5: Solve for x
    x = 54,248,598.48/10,140.14
  6. Step 6: Final answer
    x = 5,349.89

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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.