Home / 10,962.20-16,451.40-7,263.20

Finding the Fourth Proportional to 10,962.20, 16,451.40 and 7,263.20

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Solution

The fourth proportional to 10,962.20, 16,451.40 and 7,263.20 is: 10,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.20 : 16,451.40 = 7,263.20 : x
  2. Step 2: Convert to fraction form
    10,962.20/16,451.40 = 7,263.20/x
  3. Step 3: Cross multiply
    10,962.20x = 16,451.40 × 7,263.20
  4. Step 4: Simplify right side
    10,962.20x = 119,489,808.48
  5. Step 5: Solve for x
    x = 119,489,808.48/10,962.20
  6. Step 6: Final answer
    x = 10,900.17

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1.5x scale

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.