Home / 8,729.96-12,051.47-5,587.97

Finding the Fourth Proportional to 8,729.96, 12,051.47 and 5,587.97

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Solution

The fourth proportional to 8,729.96, 12,051.47 and 5,587.97 is: 7,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.96 : 12,051.47 = 5,587.97 : x
  2. Step 2: Convert to fraction form
    8,729.96/12,051.47 = 5,587.97/x
  3. Step 3: Cross multiply
    8,729.96x = 12,051.47 × 5,587.97
  4. Step 4: Simplify right side
    8,729.96x = 67,343,224.88
  5. Step 5: Solve for x
    x = 67,343,224.88/8,729.96
  6. Step 6: Final answer
    x = 7,714.04

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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.