Home / 8,559.12-11,812.38-5,201.16

Finding the Fourth Proportional to 8,559.12, 11,812.38 and 5,201.16

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Solution

The fourth proportional to 8,559.12, 11,812.38 and 5,201.16 is: 7,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.12 : 11,812.38 = 5,201.16 : x
  2. Step 2: Convert to fraction form
    8,559.12/11,812.38 = 5,201.16/x
  3. Step 3: Cross multiply
    8,559.12x = 11,812.38 × 5,201.16
  4. Step 4: Simplify right side
    8,559.12x = 61,438,078.36
  5. Step 5: Solve for x
    x = 61,438,078.36/8,559.12
  6. Step 6: Final answer
    x = 7,178.08

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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.