Home / 10,053.85-13,874.38-5,577.69

Finding the Fourth Proportional to 10,053.85, 13,874.38 and 5,577.69

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Solution

The fourth proportional to 10,053.85, 13,874.38 and 5,577.69 is: 7,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.85 : 13,874.38 = 5,577.69 : x
  2. Step 2: Convert to fraction form
    10,053.85/13,874.38 = 5,577.69/x
  3. Step 3: Cross multiply
    10,053.85x = 13,874.38 × 5,577.69
  4. Step 4: Simplify right side
    10,053.85x = 77,386,990.58
  5. Step 5: Solve for x
    x = 77,386,990.58/10,053.85
  6. Step 6: Final answer
    x = 7,697.25

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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.