Home / 10,571.04-15,827.40-7,966.08

Finding the Fourth Proportional to 10,571.04, 15,827.40 and 7,966.08

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Solution

The fourth proportional to 10,571.04, 15,827.40 and 7,966.08 is: 11,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.04 : 15,827.40 = 7,966.08 : x
  2. Step 2: Convert to fraction form
    10,571.04/15,827.40 = 7,966.08/x
  3. Step 3: Cross multiply
    10,571.04x = 15,827.40 × 7,966.08
  4. Step 4: Simplify right side
    10,571.04x = 126,082,334.59
  5. Step 5: Solve for x
    x = 126,082,334.59/10,571.04
  6. Step 6: Final answer
    x = 11,927.15

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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.