Home / 8,867.91-12,237.67-4,889.02

Finding the Fourth Proportional to 8,867.91, 12,237.67 and 4,889.02

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Solution

The fourth proportional to 8,867.91, 12,237.67 and 4,889.02 is: 6,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.91 : 12,237.67 = 4,889.02 : x
  2. Step 2: Convert to fraction form
    8,867.91/12,237.67 = 4,889.02/x
  3. Step 3: Cross multiply
    8,867.91x = 12,237.67 × 4,889.02
  4. Step 4: Simplify right side
    8,867.91x = 59,830,213.38
  5. Step 5: Solve for x
    x = 59,830,213.38/8,867.91
  6. Step 6: Final answer
    x = 6,746.82

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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.