Home / 13,032.12-17,990.52-8,732.62

Finding the Fourth Proportional to 13,032.12, 17,990.52 and 8,732.62

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Solution

The fourth proportional to 13,032.12, 17,990.52 and 8,732.62 is: 12,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.12 : 17,990.52 = 8,732.62 : x
  2. Step 2: Convert to fraction form
    13,032.12/17,990.52 = 8,732.62/x
  3. Step 3: Cross multiply
    13,032.12x = 17,990.52 × 8,732.62
  4. Step 4: Simplify right side
    13,032.12x = 157,104,374.76
  5. Step 5: Solve for x
    x = 157,104,374.76/13,032.12
  6. Step 6: Final answer
    x = 12,055.17

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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.