Home / 12,560.46-17,333.55-7,254.78

Finding the Fourth Proportional to 12,560.46, 17,333.55 and 7,254.78

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Solution

The fourth proportional to 12,560.46, 17,333.55 and 7,254.78 is: 10,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.46 : 17,333.55 = 7,254.78 : x
  2. Step 2: Convert to fraction form
    12,560.46/17,333.55 = 7,254.78/x
  3. Step 3: Cross multiply
    12,560.46x = 17,333.55 × 7,254.78
  4. Step 4: Simplify right side
    12,560.46x = 125,751,091.87
  5. Step 5: Solve for x
    x = 125,751,091.87/12,560.46
  6. Step 6: Final answer
    x = 10,011.66

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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.