Home / 10,842.01-14,962.20-6,126.40

Finding the Fourth Proportional to 10,842.01, 14,962.20 and 6,126.40

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Solution

The fourth proportional to 10,842.01, 14,962.20 and 6,126.40 is: 8,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.01 : 14,962.20 = 6,126.40 : x
  2. Step 2: Convert to fraction form
    10,842.01/14,962.20 = 6,126.40/x
  3. Step 3: Cross multiply
    10,842.01x = 14,962.20 × 6,126.40
  4. Step 4: Simplify right side
    10,842.01x = 91,664,422.08
  5. Step 5: Solve for x
    x = 91,664,422.08/10,842.01
  6. Step 6: Final answer
    x = 8,454.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.