Home / 12,574.13-17,352.60-6,909.02

Finding the Fourth Proportional to 12,574.13, 17,352.60 and 6,909.02

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Solution

The fourth proportional to 12,574.13, 17,352.60 and 6,909.02 is: 9,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.13 : 17,352.60 = 6,909.02 : x
  2. Step 2: Convert to fraction form
    12,574.13/17,352.60 = 6,909.02/x
  3. Step 3: Cross multiply
    12,574.13x = 17,352.60 × 6,909.02
  4. Step 4: Simplify right side
    12,574.13x = 119,889,373.69
  5. Step 5: Solve for x
    x = 119,889,373.69/12,574.13
  6. Step 6: Final answer
    x = 9,534.61

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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.