Home / 10,972.80-16,421.40-6,593.40

Finding the Fourth Proportional to 10,972.80, 16,421.40 and 6,593.40

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Solution

The fourth proportional to 10,972.80, 16,421.40 and 6,593.40 is: 9,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.80 : 16,421.40 = 6,593.40 : x
  2. Step 2: Convert to fraction form
    10,972.80/16,421.40 = 6,593.40/x
  3. Step 3: Cross multiply
    10,972.80x = 16,421.40 × 6,593.40
  4. Step 4: Simplify right side
    10,972.80x = 108,272,858.76
  5. Step 5: Solve for x
    x = 108,272,858.76/10,972.80
  6. Step 6: Final answer
    x = 9,867.39

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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.