Home / 10,591.68-15,890.40-3,666.72

Finding the Fourth Proportional to 10,591.68, 15,890.40 and 3,666.72

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Solution

The fourth proportional to 10,591.68, 15,890.40 and 3,666.72 is: 5,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.68 : 15,890.40 = 3,666.72 : x
  2. Step 2: Convert to fraction form
    10,591.68/15,890.40 = 3,666.72/x
  3. Step 3: Cross multiply
    10,591.68x = 15,890.40 × 3,666.72
  4. Step 4: Simplify right side
    10,591.68x = 58,265,647.49
  5. Step 5: Solve for x
    x = 58,265,647.49/10,591.68
  6. Step 6: Final answer
    x = 5,501.08

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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.