Home / 11,470.95-15,851.67-9,769.19

Finding the Fourth Proportional to 11,470.95, 15,851.67 and 9,769.19

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Solution

The fourth proportional to 11,470.95, 15,851.67 and 9,769.19 is: 13,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.95 : 15,851.67 = 9,769.19 : x
  2. Step 2: Convert to fraction form
    11,470.95/15,851.67 = 9,769.19/x
  3. Step 3: Cross multiply
    11,470.95x = 15,851.67 × 9,769.19
  4. Step 4: Simplify right side
    11,470.95x = 154,857,896.79
  5. Step 5: Solve for x
    x = 154,857,896.79/11,470.95
  6. Step 6: Final answer
    x = 13,500.01

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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.