Home / 10,895.90-15,041.30-8,377.11

Finding the Fourth Proportional to 10,895.90, 15,041.30 and 8,377.11

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Solution

The fourth proportional to 10,895.90, 15,041.30 and 8,377.11 is: 11,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.90 : 15,041.30 = 8,377.11 : x
  2. Step 2: Convert to fraction form
    10,895.90/15,041.30 = 8,377.11/x
  3. Step 3: Cross multiply
    10,895.90x = 15,041.30 × 8,377.11
  4. Step 4: Simplify right side
    10,895.90x = 126,002,582.76
  5. Step 5: Solve for x
    x = 126,002,582.76/10,895.90
  6. Step 6: Final answer
    x = 11,564.23

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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.