Home / 10,877.85-15,011.01-6,162.30

Finding the Fourth Proportional to 10,877.85, 15,011.01 and 6,162.30

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Solution

The fourth proportional to 10,877.85, 15,011.01 and 6,162.30 is: 8,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.85 : 15,011.01 = 6,162.30 : x
  2. Step 2: Convert to fraction form
    10,877.85/15,011.01 = 6,162.30/x
  3. Step 3: Cross multiply
    10,877.85x = 15,011.01 × 6,162.30
  4. Step 4: Simplify right side
    10,877.85x = 92,502,346.92
  5. Step 5: Solve for x
    x = 92,502,346.92/10,877.85
  6. Step 6: Final answer
    x = 8,503.73

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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.