Home / 8,398.36-11,589.98-4,862.68

Finding the Fourth Proportional to 8,398.36, 11,589.98 and 4,862.68

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Solution

The fourth proportional to 8,398.36, 11,589.98 and 4,862.68 is: 6,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.36 : 11,589.98 = 4,862.68 : x
  2. Step 2: Convert to fraction form
    8,398.36/11,589.98 = 4,862.68/x
  3. Step 3: Cross multiply
    8,398.36x = 11,589.98 × 4,862.68
  4. Step 4: Simplify right side
    8,398.36x = 56,358,363.95
  5. Step 5: Solve for x
    x = 56,358,363.95/8,398.36
  6. Step 6: Final answer
    x = 6,710.64

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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.