Home / 12,567.86-17,342.36-7,264.40

Finding the Fourth Proportional to 12,567.86, 17,342.36 and 7,264.40

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Solution

The fourth proportional to 12,567.86, 17,342.36 and 7,264.40 is: 10,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.86 : 17,342.36 = 7,264.40 : x
  2. Step 2: Convert to fraction form
    12,567.86/17,342.36 = 7,264.40/x
  3. Step 3: Cross multiply
    12,567.86x = 17,342.36 × 7,264.40
  4. Step 4: Simplify right side
    12,567.86x = 125,981,839.98
  5. Step 5: Solve for x
    x = 125,981,839.98/12,567.86
  6. Step 6: Final answer
    x = 10,024.13

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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.