Home / 12,749.32-17,599.08-8,032.72

Finding the Fourth Proportional to 12,749.32, 17,599.08 and 8,032.72

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Solution

The fourth proportional to 12,749.32, 17,599.08 and 8,032.72 is: 11,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.32 : 17,599.08 = 8,032.72 : x
  2. Step 2: Convert to fraction form
    12,749.32/17,599.08 = 8,032.72/x
  3. Step 3: Cross multiply
    12,749.32x = 17,599.08 × 8,032.72
  4. Step 4: Simplify right side
    12,749.32x = 141,368,481.90
  5. Step 5: Solve for x
    x = 141,368,481.90/12,749.32
  6. Step 6: Final answer
    x = 11,088.32

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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.