Home / 10,973.80-16,456.65-5,425.30

Finding the Fourth Proportional to 10,973.80, 16,456.65 and 5,425.30

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Solution

The fourth proportional to 10,973.80, 16,456.65 and 5,425.30 is: 8,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.80 : 16,456.65 = 5,425.30 : x
  2. Step 2: Convert to fraction form
    10,973.80/16,456.65 = 5,425.30/x
  3. Step 3: Cross multiply
    10,973.80x = 16,456.65 × 5,425.30
  4. Step 4: Simplify right side
    10,973.80x = 89,282,263.25
  5. Step 5: Solve for x
    x = 89,282,263.25/10,973.80
  6. Step 6: Final answer
    x = 8,135.95

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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.