Home / 12,589.29-17,374.30-6,925.16

Finding the Fourth Proportional to 12,589.29, 17,374.30 and 6,925.16

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Solution

The fourth proportional to 12,589.29, 17,374.30 and 6,925.16 is: 9,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.29 : 17,374.30 = 6,925.16 : x
  2. Step 2: Convert to fraction form
    12,589.29/17,374.30 = 6,925.16/x
  3. Step 3: Cross multiply
    12,589.29x = 17,374.30 × 6,925.16
  4. Step 4: Simplify right side
    12,589.29x = 120,319,833.51
  5. Step 5: Solve for x
    x = 120,319,833.51/12,589.29
  6. Step 6: Final answer
    x = 9,557.32

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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.