Home / 12,521.34-17,280.03-6,932.46

Finding the Fourth Proportional to 12,521.34, 17,280.03 and 6,932.46

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Solution

The fourth proportional to 12,521.34, 17,280.03 and 6,932.46 is: 9,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.34 : 17,280.03 = 6,932.46 : x
  2. Step 2: Convert to fraction form
    12,521.34/17,280.03 = 6,932.46/x
  3. Step 3: Cross multiply
    12,521.34x = 17,280.03 × 6,932.46
  4. Step 4: Simplify right side
    12,521.34x = 119,793,116.77
  5. Step 5: Solve for x
    x = 119,793,116.77/12,521.34
  6. Step 6: Final answer
    x = 9,567.12

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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.