Home / 10,156.16-15,228.66-3,134.24

Finding the Fourth Proportional to 10,156.16, 15,228.66 and 3,134.24

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Solution

The fourth proportional to 10,156.16, 15,228.66 and 3,134.24 is: 4,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.16 : 15,228.66 = 3,134.24 : x
  2. Step 2: Convert to fraction form
    10,156.16/15,228.66 = 3,134.24/x
  3. Step 3: Cross multiply
    10,156.16x = 15,228.66 × 3,134.24
  4. Step 4: Simplify right side
    10,156.16x = 47,730,336.07
  5. Step 5: Solve for x
    x = 47,730,336.07/10,156.16
  6. Step 6: Final answer
    x = 4,699.64

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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.