Home / 11,088.47-15,302.09-7,557.85

Finding the Fourth Proportional to 11,088.47, 15,302.09 and 7,557.85

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Solution

The fourth proportional to 11,088.47, 15,302.09 and 7,557.85 is: 10,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.47 : 15,302.09 = 7,557.85 : x
  2. Step 2: Convert to fraction form
    11,088.47/15,302.09 = 7,557.85/x
  3. Step 3: Cross multiply
    11,088.47x = 15,302.09 × 7,557.85
  4. Step 4: Simplify right side
    11,088.47x = 115,650,900.91
  5. Step 5: Solve for x
    x = 115,650,900.91/11,088.47
  6. Step 6: Final answer
    x = 10,429.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.