Home / 12,572.13-17,349.65-6,907.00

Finding the Fourth Proportional to 12,572.13, 17,349.65 and 6,907.00

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Solution

The fourth proportional to 12,572.13, 17,349.65 and 6,907.00 is: 9,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.13 : 17,349.65 = 6,907.00 : x
  2. Step 2: Convert to fraction form
    12,572.13/17,349.65 = 6,907.00/x
  3. Step 3: Cross multiply
    12,572.13x = 17,349.65 × 6,907.00
  4. Step 4: Simplify right side
    12,572.13x = 119,834,006.44
  5. Step 5: Solve for x
    x = 119,834,006.44/12,572.13
  6. Step 6: Final answer
    x = 9,531.72

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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.