Home / 10,701.40-16,041.30-4,862.20

Finding the Fourth Proportional to 10,701.40, 16,041.30 and 4,862.20

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Solution

The fourth proportional to 10,701.40, 16,041.30 and 4,862.20 is: 7,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,701.40 : 16,041.30 = 4,862.20 : x
  2. Step 2: Convert to fraction form
    10,701.40/16,041.30 = 4,862.20/x
  3. Step 3: Cross multiply
    10,701.40x = 16,041.30 × 4,862.20
  4. Step 4: Simplify right side
    10,701.40x = 77,996,008.86
  5. Step 5: Solve for x
    x = 77,996,008.86/10,701.40
  6. Step 6: Final answer
    x = 7,288.39

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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.