Home / 8,746.30-13,121.28-4,842.52

Finding the Fourth Proportional to 8,746.30, 13,121.28 and 4,842.52

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Solution

The fourth proportional to 8,746.30, 13,121.28 and 4,842.52 is: 7,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.30 : 13,121.28 = 4,842.52 : x
  2. Step 2: Convert to fraction form
    8,746.30/13,121.28 = 4,842.52/x
  3. Step 3: Cross multiply
    8,746.30x = 13,121.28 × 4,842.52
  4. Step 4: Simplify right side
    8,746.30x = 63,539,971.01
  5. Step 5: Solve for x
    x = 63,539,971.01/8,746.30
  6. Step 6: Final answer
    x = 7,264.79

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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.