Home / 8,867.91-12,237.15-4,889.06

Finding the Fourth Proportional to 8,867.91, 12,237.15 and 4,889.06

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Solution

The fourth proportional to 8,867.91, 12,237.15 and 4,889.06 is: 6,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.91 : 12,237.15 = 4,889.06 : x
  2. Step 2: Convert to fraction form
    8,867.91/12,237.15 = 4,889.06/x
  3. Step 3: Cross multiply
    8,867.91x = 12,237.15 × 4,889.06
  4. Step 4: Simplify right side
    8,867.91x = 59,828,160.58
  5. Step 5: Solve for x
    x = 59,828,160.58/8,867.91
  6. Step 6: Final answer
    x = 6,746.59

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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.