Home / 8,796.36-13,176.18-5,275.20

Finding the Fourth Proportional to 8,796.36, 13,176.18 and 5,275.20

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Solution

The fourth proportional to 8,796.36, 13,176.18 and 5,275.20 is: 7,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.36 : 13,176.18 = 5,275.20 : x
  2. Step 2: Convert to fraction form
    8,796.36/13,176.18 = 5,275.20/x
  3. Step 3: Cross multiply
    8,796.36x = 13,176.18 × 5,275.20
  4. Step 4: Simplify right side
    8,796.36x = 69,506,984.74
  5. Step 5: Solve for x
    x = 69,506,984.74/8,796.36
  6. Step 6: Final answer
    x = 7,901.79

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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.