Home / 8,868.12-13,302.95-2,543.02

Finding the Fourth Proportional to 8,868.12, 13,302.95 and 2,543.02

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Solution

The fourth proportional to 8,868.12, 13,302.95 and 2,543.02 is: 3,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.12 : 13,302.95 = 2,543.02 : x
  2. Step 2: Convert to fraction form
    8,868.12/13,302.95 = 2,543.02/x
  3. Step 3: Cross multiply
    8,868.12x = 13,302.95 × 2,543.02
  4. Step 4: Simplify right side
    8,868.12x = 33,829,667.91
  5. Step 5: Solve for x
    x = 33,829,667.91/8,868.12
  6. Step 6: Final answer
    x = 3,814.75

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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.