Home / 10,264.66-15,409.74-10,217.28

Finding the Fourth Proportional to 10,264.66, 15,409.74 and 10,217.28

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Solution

The fourth proportional to 10,264.66, 15,409.74 and 10,217.28 is: 15,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264.66 : 15,409.74 = 10,217.28 : x
  2. Step 2: Convert to fraction form
    10,264.66/15,409.74 = 10,217.28/x
  3. Step 3: Cross multiply
    10,264.66x = 15,409.74 × 10,217.28
  4. Step 4: Simplify right side
    10,264.66x = 157,445,628.31
  5. Step 5: Solve for x
    x = 157,445,628.31/10,264.66
  6. Step 6: Final answer
    x = 15,338.61

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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.