Home / 8,809.28-12,156.64-5,033.04

Finding the Fourth Proportional to 8,809.28, 12,156.64 and 5,033.04

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Solution

The fourth proportional to 8,809.28, 12,156.64 and 5,033.04 is: 6,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.28 : 12,156.64 = 5,033.04 : x
  2. Step 2: Convert to fraction form
    8,809.28/12,156.64 = 5,033.04/x
  3. Step 3: Cross multiply
    8,809.28x = 12,156.64 × 5,033.04
  4. Step 4: Simplify right side
    8,809.28x = 61,184,855.39
  5. Step 5: Solve for x
    x = 61,184,855.39/8,809.28
  6. Step 6: Final answer
    x = 6,945.50

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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.