Home / 15,248.76-22,868.01-5,115.09

Finding the Fourth Proportional to 15,248.76, 22,868.01 and 5,115.09

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Solution

The fourth proportional to 15,248.76, 22,868.01 and 5,115.09 is: 7,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.76 : 22,868.01 = 5,115.09 : x
  2. Step 2: Convert to fraction form
    15,248.76/22,868.01 = 5,115.09/x
  3. Step 3: Cross multiply
    15,248.76x = 22,868.01 × 5,115.09
  4. Step 4: Simplify right side
    15,248.76x = 116,971,929.27
  5. Step 5: Solve for x
    x = 116,971,929.27/15,248.76
  6. Step 6: Final answer
    x = 7,670.91

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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.