Home / 10,359.90-14,279.56-7,331.11

Finding the Fourth Proportional to 10,359.90, 14,279.56 and 7,331.11

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Solution

The fourth proportional to 10,359.90, 14,279.56 and 7,331.11 is: 10,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.90 : 14,279.56 = 7,331.11 : x
  2. Step 2: Convert to fraction form
    10,359.90/14,279.56 = 7,331.11/x
  3. Step 3: Cross multiply
    10,359.90x = 14,279.56 × 7,331.11
  4. Step 4: Simplify right side
    10,359.90x = 104,684,971.08
  5. Step 5: Solve for x
    x = 104,684,971.08/10,359.90
  6. Step 6: Final answer
    x = 10,104.82

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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.