Home / 10,090.67-15,130.76-5,931.92

Finding the Fourth Proportional to 10,090.67, 15,130.76 and 5,931.92

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Solution

The fourth proportional to 10,090.67, 15,130.76 and 5,931.92 is: 8,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.67 : 15,130.76 = 5,931.92 : x
  2. Step 2: Convert to fraction form
    10,090.67/15,130.76 = 5,931.92/x
  3. Step 3: Cross multiply
    10,090.67x = 15,130.76 × 5,931.92
  4. Step 4: Simplify right side
    10,090.67x = 89,754,352.55
  5. Step 5: Solve for x
    x = 89,754,352.55/10,090.67
  6. Step 6: Final answer
    x = 8,894.79

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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.