Home / 9,228.15-12,734.15-5,036.40

Finding the Fourth Proportional to 9,228.15, 12,734.15 and 5,036.40

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Solution

The fourth proportional to 9,228.15, 12,734.15 and 5,036.40 is: 6,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.15 : 12,734.15 = 5,036.40 : x
  2. Step 2: Convert to fraction form
    9,228.15/12,734.15 = 5,036.40/x
  3. Step 3: Cross multiply
    9,228.15x = 12,734.15 × 5,036.40
  4. Step 4: Simplify right side
    9,228.15x = 64,134,247.88
  5. Step 5: Solve for x
    x = 64,134,247.88/9,228.15
  6. Step 6: Final answer
    x = 6,949.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.