Home / 8,426.42-12,637.46-2,501.90

Finding the Fourth Proportional to 8,426.42, 12,637.46 and 2,501.90

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Solution

The fourth proportional to 8,426.42, 12,637.46 and 2,501.90 is: 3,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.42 : 12,637.46 = 2,501.90 : x
  2. Step 2: Convert to fraction form
    8,426.42/12,637.46 = 2,501.90/x
  3. Step 3: Cross multiply
    8,426.42x = 12,637.46 × 2,501.90
  4. Step 4: Simplify right side
    8,426.42x = 31,617,661.17
  5. Step 5: Solve for x
    x = 31,617,661.17/8,426.42
  6. Step 6: Final answer
    x = 3,752.21

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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.