Home / 12,342.32-17,032.66-7,304.70

Finding the Fourth Proportional to 12,342.32, 17,032.66 and 7,304.70

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Solution

The fourth proportional to 12,342.32, 17,032.66 and 7,304.70 is: 10,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.32 : 17,032.66 = 7,304.70 : x
  2. Step 2: Convert to fraction form
    12,342.32/17,032.66 = 7,304.70/x
  3. Step 3: Cross multiply
    12,342.32x = 17,032.66 × 7,304.70
  4. Step 4: Simplify right side
    12,342.32x = 124,418,471.50
  5. Step 5: Solve for x
    x = 124,418,471.50/12,342.32
  6. Step 6: Final answer
    x = 10,080.64

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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.