Home / 10,830.97-16,209.49-9,077.95

Finding the Fourth Proportional to 10,830.97, 16,209.49 and 9,077.95

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Solution

The fourth proportional to 10,830.97, 16,209.49 and 9,077.95 is: 13,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.97 : 16,209.49 = 9,077.95 : x
  2. Step 2: Convert to fraction form
    10,830.97/16,209.49 = 9,077.95/x
  3. Step 3: Cross multiply
    10,830.97x = 16,209.49 × 9,077.95
  4. Step 4: Simplify right side
    10,830.97x = 147,148,937.31
  5. Step 5: Solve for x
    x = 147,148,937.31/10,830.97
  6. Step 6: Final answer
    x = 13,585.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.