Home / 8,426.18-11,632.12-4,888.74

Finding the Fourth Proportional to 8,426.18, 11,632.12 and 4,888.74

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Solution

The fourth proportional to 8,426.18, 11,632.12 and 4,888.74 is: 6,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.18 : 11,632.12 = 4,888.74 : x
  2. Step 2: Convert to fraction form
    8,426.18/11,632.12 = 4,888.74/x
  3. Step 3: Cross multiply
    8,426.18x = 11,632.12 × 4,888.74
  4. Step 4: Simplify right side
    8,426.18x = 56,866,410.33
  5. Step 5: Solve for x
    x = 56,866,410.33/8,426.18
  6. Step 6: Final answer
    x = 6,748.78

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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.