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Finding the Fourth Proportional to 11,407.58, 15,746.92 and 6,932.06

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Solution

The fourth proportional to 11,407.58, 15,746.92 and 6,932.06 is: 9,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.58 : 15,746.92 = 6,932.06 : x
  2. Step 2: Convert to fraction form
    11,407.58/15,746.92 = 6,932.06/x
  3. Step 3: Cross multiply
    11,407.58x = 15,746.92 × 6,932.06
  4. Step 4: Simplify right side
    11,407.58x = 109,158,594.26
  5. Step 5: Solve for x
    x = 109,158,594.26/11,407.58
  6. Step 6: Final answer
    x = 9,568.95

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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.