Home / 10,055.16-15,159.88-9,377.56

Finding the Fourth Proportional to 10,055.16, 15,159.88 and 9,377.56

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Solution

The fourth proportional to 10,055.16, 15,159.88 and 9,377.56 is: 14,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.16 : 15,159.88 = 9,377.56 : x
  2. Step 2: Convert to fraction form
    10,055.16/15,159.88 = 9,377.56/x
  3. Step 3: Cross multiply
    10,055.16x = 15,159.88 × 9,377.56
  4. Step 4: Simplify right side
    10,055.16x = 142,162,684.29
  5. Step 5: Solve for x
    x = 142,162,684.29/10,055.16
  6. Step 6: Final answer
    x = 14,138.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.