Home / 10,253.49-15,382.28-3,680.19

Finding the Fourth Proportional to 10,253.49, 15,382.28 and 3,680.19

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Solution

The fourth proportional to 10,253.49, 15,382.28 and 3,680.19 is: 5,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.49 : 15,382.28 = 3,680.19 : x
  2. Step 2: Convert to fraction form
    10,253.49/15,382.28 = 3,680.19/x
  3. Step 3: Cross multiply
    10,253.49x = 15,382.28 × 3,680.19
  4. Step 4: Simplify right side
    10,253.49x = 56,609,617.72
  5. Step 5: Solve for x
    x = 56,609,617.72/10,253.49
  6. Step 6: Final answer
    x = 5,521.01

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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.