Home / 9,155.32-13,733.22-3,312.28

Finding the Fourth Proportional to 9,155.32, 13,733.22 and 3,312.28

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Solution

The fourth proportional to 9,155.32, 13,733.22 and 3,312.28 is: 4,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.32 : 13,733.22 = 3,312.28 : x
  2. Step 2: Convert to fraction form
    9,155.32/13,733.22 = 3,312.28/x
  3. Step 3: Cross multiply
    9,155.32x = 13,733.22 × 3,312.28
  4. Step 4: Simplify right side
    9,155.32x = 45,488,269.94
  5. Step 5: Solve for x
    x = 45,488,269.94/9,155.32
  6. Step 6: Final answer
    x = 4,968.51

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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.