Home / 8,776.24-12,110.14-4,999.40

Finding the Fourth Proportional to 8,776.24, 12,110.14 and 4,999.40

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Solution

The fourth proportional to 8,776.24, 12,110.14 and 4,999.40 is: 6,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.24 : 12,110.14 = 4,999.40 : x
  2. Step 2: Convert to fraction form
    8,776.24/12,110.14 = 4,999.40/x
  3. Step 3: Cross multiply
    8,776.24x = 12,110.14 × 4,999.40
  4. Step 4: Simplify right side
    8,776.24x = 60,543,433.92
  5. Step 5: Solve for x
    x = 60,543,433.92/8,776.24
  6. Step 6: Final answer
    x = 6,898.56

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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.