Home / 8,828.12-13,242.16-5,543.52

Finding the Fourth Proportional to 8,828.12, 13,242.16 and 5,543.52

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Solution

The fourth proportional to 8,828.12, 13,242.16 and 5,543.52 is: 8,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.12 : 13,242.16 = 5,543.52 : x
  2. Step 2: Convert to fraction form
    8,828.12/13,242.16 = 5,543.52/x
  3. Step 3: Cross multiply
    8,828.12x = 13,242.16 × 5,543.52
  4. Step 4: Simplify right side
    8,828.12x = 73,408,178.80
  5. Step 5: Solve for x
    x = 73,408,178.80/8,828.12
  6. Step 6: Final answer
    x = 8,315.27

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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.