Home / 8,851.86-13,281.30-3,656.52

Finding the Fourth Proportional to 8,851.86, 13,281.30 and 3,656.52

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Solution

The fourth proportional to 8,851.86, 13,281.30 and 3,656.52 is: 5,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.86 : 13,281.30 = 3,656.52 : x
  2. Step 2: Convert to fraction form
    8,851.86/13,281.30 = 3,656.52/x
  3. Step 3: Cross multiply
    8,851.86x = 13,281.30 × 3,656.52
  4. Step 4: Simplify right side
    8,851.86x = 48,563,339.08
  5. Step 5: Solve for x
    x = 48,563,339.08/8,851.86
  6. Step 6: Final answer
    x = 5,486.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.