Home / 10,945.22-15,103.53-6,468.08

Finding the Fourth Proportional to 10,945.22, 15,103.53 and 6,468.08

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Solution

The fourth proportional to 10,945.22, 15,103.53 and 6,468.08 is: 8,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.22 : 15,103.53 = 6,468.08 : x
  2. Step 2: Convert to fraction form
    10,945.22/15,103.53 = 6,468.08/x
  3. Step 3: Cross multiply
    10,945.22x = 15,103.53 × 6,468.08
  4. Step 4: Simplify right side
    10,945.22x = 97,690,764.80
  5. Step 5: Solve for x
    x = 97,690,764.80/10,945.22
  6. Step 6: Final answer
    x = 8,925.43

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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.