Home / 10,275.17-15,398.75-5,334.57

Finding the Fourth Proportional to 10,275.17, 15,398.75 and 5,334.57

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Solution

The fourth proportional to 10,275.17, 15,398.75 and 5,334.57 is: 7,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.17 : 15,398.75 = 5,334.57 : x
  2. Step 2: Convert to fraction form
    10,275.17/15,398.75 = 5,334.57/x
  3. Step 3: Cross multiply
    10,275.17x = 15,398.75 × 5,334.57
  4. Step 4: Simplify right side
    10,275.17x = 82,145,683.11
  5. Step 5: Solve for x
    x = 82,145,683.11/10,275.17
  6. Step 6: Final answer
    x = 7,994.59

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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.