Home / 8,587.16-11,849.62-5,229.60

Finding the Fourth Proportional to 8,587.16, 11,849.62 and 5,229.60

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Solution

The fourth proportional to 8,587.16, 11,849.62 and 5,229.60 is: 7,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.16 : 11,849.62 = 5,229.60 : x
  2. Step 2: Convert to fraction form
    8,587.16/11,849.62 = 5,229.60/x
  3. Step 3: Cross multiply
    8,587.16x = 11,849.62 × 5,229.60
  4. Step 4: Simplify right side
    8,587.16x = 61,968,772.75
  5. Step 5: Solve for x
    x = 61,968,772.75/8,587.16
  6. Step 6: Final answer
    x = 7,216.45

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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.