Home / 10,862.08-16,302.40-4,292.96

Finding the Fourth Proportional to 10,862.08, 16,302.40 and 4,292.96

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Solution

The fourth proportional to 10,862.08, 16,302.40 and 4,292.96 is: 6,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.08 : 16,302.40 = 4,292.96 : x
  2. Step 2: Convert to fraction form
    10,862.08/16,302.40 = 4,292.96/x
  3. Step 3: Cross multiply
    10,862.08x = 16,302.40 × 4,292.96
  4. Step 4: Simplify right side
    10,862.08x = 69,985,551.10
  5. Step 5: Solve for x
    x = 69,985,551.10/10,862.08
  6. Step 6: Final answer
    x = 6,443.11

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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.