Home / 10,537.12-15,819.56-9,666.76

Finding the Fourth Proportional to 10,537.12, 15,819.56 and 9,666.76

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Solution

The fourth proportional to 10,537.12, 15,819.56 and 9,666.76 is: 14,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.12 : 15,819.56 = 9,666.76 : x
  2. Step 2: Convert to fraction form
    10,537.12/15,819.56 = 9,666.76/x
  3. Step 3: Cross multiply
    10,537.12x = 15,819.56 × 9,666.76
  4. Step 4: Simplify right side
    10,537.12x = 152,923,889.83
  5. Step 5: Solve for x
    x = 152,923,889.83/10,537.12
  6. Step 6: Final answer
    x = 14,512.87

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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.