Home / 10,167.14-15,260.34-5,240.18

Finding the Fourth Proportional to 10,167.14, 15,260.34 and 5,240.18

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Solution

The fourth proportional to 10,167.14, 15,260.34 and 5,240.18 is: 7,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.14 : 15,260.34 = 5,240.18 : x
  2. Step 2: Convert to fraction form
    10,167.14/15,260.34 = 5,240.18/x
  3. Step 3: Cross multiply
    10,167.14x = 15,260.34 × 5,240.18
  4. Step 4: Simplify right side
    10,167.14x = 79,966,928.46
  5. Step 5: Solve for x
    x = 79,966,928.46/10,167.14
  6. Step 6: Final answer
    x = 7,865.23

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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.