Home / 10,310.12-15,464.54-2,915.56

Finding the Fourth Proportional to 10,310.12, 15,464.54 and 2,915.56

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Solution

The fourth proportional to 10,310.12, 15,464.54 and 2,915.56 is: 4,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.12 : 15,464.54 = 2,915.56 : x
  2. Step 2: Convert to fraction form
    10,310.12/15,464.54 = 2,915.56/x
  3. Step 3: Cross multiply
    10,310.12x = 15,464.54 × 2,915.56
  4. Step 4: Simplify right side
    10,310.12x = 45,087,794.24
  5. Step 5: Solve for x
    x = 45,087,794.24/10,310.12
  6. Step 6: Final answer
    x = 4,373.16

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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.