Home / 8,888.24-12,264.72-4,909.11

Finding the Fourth Proportional to 8,888.24, 12,264.72 and 4,909.11

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Solution

The fourth proportional to 8,888.24, 12,264.72 and 4,909.11 is: 6,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.24 : 12,264.72 = 4,909.11 : x
  2. Step 2: Convert to fraction form
    8,888.24/12,264.72 = 4,909.11/x
  3. Step 3: Cross multiply
    8,888.24x = 12,264.72 × 4,909.11
  4. Step 4: Simplify right side
    8,888.24x = 60,208,859.60
  5. Step 5: Solve for x
    x = 60,208,859.60/8,888.24
  6. Step 6: Final answer
    x = 6,773.99

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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.