Home / 10,338.47-14,267.10-5,622.75

Finding the Fourth Proportional to 10,338.47, 14,267.10 and 5,622.75

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Solution

The fourth proportional to 10,338.47, 14,267.10 and 5,622.75 is: 7,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.47 : 14,267.10 = 5,622.75 : x
  2. Step 2: Convert to fraction form
    10,338.47/14,267.10 = 5,622.75/x
  3. Step 3: Cross multiply
    10,338.47x = 14,267.10 × 5,622.75
  4. Step 4: Simplify right side
    10,338.47x = 80,220,357.61
  5. Step 5: Solve for x
    x = 80,220,357.61/10,338.47
  6. Step 6: Final answer
    x = 7,759.40

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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.