Home / 10,061.89-15,091.52-2,666.79

Finding the Fourth Proportional to 10,061.89, 15,091.52 and 2,666.79

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Solution

The fourth proportional to 10,061.89, 15,091.52 and 2,666.79 is: 3,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.89 : 15,091.52 = 2,666.79 : x
  2. Step 2: Convert to fraction form
    10,061.89/15,091.52 = 2,666.79/x
  3. Step 3: Cross multiply
    10,061.89x = 15,091.52 × 2,666.79
  4. Step 4: Simplify right side
    10,061.89x = 40,245,901.29
  5. Step 5: Solve for x
    x = 40,245,901.29/10,061.89
  6. Step 6: Final answer
    x = 3,999.84

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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.