Home / 10,057.55-15,146.55-9,159.73

Finding the Fourth Proportional to 10,057.55, 15,146.55 and 9,159.73

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Solution

The fourth proportional to 10,057.55, 15,146.55 and 9,159.73 is: 13,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.55 : 15,146.55 = 9,159.73 : x
  2. Step 2: Convert to fraction form
    10,057.55/15,146.55 = 9,159.73/x
  3. Step 3: Cross multiply
    10,057.55x = 15,146.55 × 9,159.73
  4. Step 4: Simplify right side
    10,057.55x = 138,738,270.57
  5. Step 5: Solve for x
    x = 138,738,270.57/10,057.55
  6. Step 6: Final answer
    x = 13,794.45

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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.