Home / 8,774.28-13,152.78-3,507.73

Finding the Fourth Proportional to 8,774.28, 13,152.78 and 3,507.73

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Solution

The fourth proportional to 8,774.28, 13,152.78 and 3,507.73 is: 5,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.28 : 13,152.78 = 3,507.73 : x
  2. Step 2: Convert to fraction form
    8,774.28/13,152.78 = 3,507.73/x
  3. Step 3: Cross multiply
    8,774.28x = 13,152.78 × 3,507.73
  4. Step 4: Simplify right side
    8,774.28x = 46,136,368.11
  5. Step 5: Solve for x
    x = 46,136,368.11/8,774.28
  6. Step 6: Final answer
    x = 5,258.14

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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.