Home / 15,116.96-22,679.51-5,256.78

Finding the Fourth Proportional to 15,116.96, 22,679.51 and 5,256.78

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Solution

The fourth proportional to 15,116.96, 22,679.51 and 5,256.78 is: 7,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116.96 : 22,679.51 = 5,256.78 : x
  2. Step 2: Convert to fraction form
    15,116.96/22,679.51 = 5,256.78/x
  3. Step 3: Cross multiply
    15,116.96x = 22,679.51 × 5,256.78
  4. Step 4: Simplify right side
    15,116.96x = 119,221,168.29
  5. Step 5: Solve for x
    x = 119,221,168.29/15,116.96
  6. Step 6: Final answer
    x = 7,886.59

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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.