Home / 8,587.68-11,851.29-5,051.22

Finding the Fourth Proportional to 8,587.68, 11,851.29 and 5,051.22

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Solution

The fourth proportional to 8,587.68, 11,851.29 and 5,051.22 is: 6,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.68 : 11,851.29 = 5,051.22 : x
  2. Step 2: Convert to fraction form
    8,587.68/11,851.29 = 5,051.22/x
  3. Step 3: Cross multiply
    8,587.68x = 11,851.29 × 5,051.22
  4. Step 4: Simplify right side
    8,587.68x = 59,863,473.07
  5. Step 5: Solve for x
    x = 59,863,473.07/8,587.68
  6. Step 6: Final answer
    x = 6,970.86

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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.