Home / 8,867.61-12,237.30-4,888.79

Finding the Fourth Proportional to 8,867.61, 12,237.30 and 4,888.79

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Solution

The fourth proportional to 8,867.61, 12,237.30 and 4,888.79 is: 6,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.61 : 12,237.30 = 4,888.79 : x
  2. Step 2: Convert to fraction form
    8,867.61/12,237.30 = 4,888.79/x
  3. Step 3: Cross multiply
    8,867.61x = 12,237.30 × 4,888.79
  4. Step 4: Simplify right side
    8,867.61x = 59,825,589.87
  5. Step 5: Solve for x
    x = 59,825,589.87/8,867.61
  6. Step 6: Final answer
    x = 6,746.53

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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.