Home / 8,963.12-13,426.18-5,254.08

Finding the Fourth Proportional to 8,963.12, 13,426.18 and 5,254.08

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Solution

The fourth proportional to 8,963.12, 13,426.18 and 5,254.08 is: 7,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.12 : 13,426.18 = 5,254.08 : x
  2. Step 2: Convert to fraction form
    8,963.12/13,426.18 = 5,254.08/x
  3. Step 3: Cross multiply
    8,963.12x = 13,426.18 × 5,254.08
  4. Step 4: Simplify right side
    8,963.12x = 70,542,223.81
  5. Step 5: Solve for x
    x = 70,542,223.81/8,963.12
  6. Step 6: Final answer
    x = 7,870.28

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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.