Home / 8,535.06-12,816.48-5,268.92

Finding the Fourth Proportional to 8,535.06, 12,816.48 and 5,268.92

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Solution

The fourth proportional to 8,535.06, 12,816.48 and 5,268.92 is: 7,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.06 : 12,816.48 = 5,268.92 : x
  2. Step 2: Convert to fraction form
    8,535.06/12,816.48 = 5,268.92/x
  3. Step 3: Cross multiply
    8,535.06x = 12,816.48 × 5,268.92
  4. Step 4: Simplify right side
    8,535.06x = 67,528,943.72
  5. Step 5: Solve for x
    x = 67,528,943.72/8,535.06
  6. Step 6: Final answer
    x = 7,911.95

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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.