Home / 10,047.60-13,865.16-5,571

Finding the Fourth Proportional to 10,047.60, 13,865.16 and 5,571

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Solution

The fourth proportional to 10,047.60, 13,865.16 and 5,571 is: 7,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.60 : 13,865.16 = 5,571 : x
  2. Step 2: Convert to fraction form
    10,047.60/13,865.16 = 5,571/x
  3. Step 3: Cross multiply
    10,047.60x = 13,865.16 × 5,571
  4. Step 4: Simplify right side
    10,047.60x = 77,242,806.36
  5. Step 5: Solve for x
    x = 77,242,806.36/10,047.60
  6. Step 6: Final answer
    x = 7,687.69

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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.