Home / 8,847.97-12,210.70-5,071.76

Finding the Fourth Proportional to 8,847.97, 12,210.70 and 5,071.76

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Solution

The fourth proportional to 8,847.97, 12,210.70 and 5,071.76 is: 6,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.97 : 12,210.70 = 5,071.76 : x
  2. Step 2: Convert to fraction form
    8,847.97/12,210.70 = 5,071.76/x
  3. Step 3: Cross multiply
    8,847.97x = 12,210.70 × 5,071.76
  4. Step 4: Simplify right side
    8,847.97x = 61,929,714.47
  5. Step 5: Solve for x
    x = 61,929,714.47/8,847.97
  6. Step 6: Final answer
    x = 6,999.32

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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.