Home / 8,867.59-12,226.95-6,625.51

Finding the Fourth Proportional to 8,867.59, 12,226.95 and 6,625.51

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Solution

The fourth proportional to 8,867.59, 12,226.95 and 6,625.51 is: 9,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.59 : 12,226.95 = 6,625.51 : x
  2. Step 2: Convert to fraction form
    8,867.59/12,226.95 = 6,625.51/x
  3. Step 3: Cross multiply
    8,867.59x = 12,226.95 × 6,625.51
  4. Step 4: Simplify right side
    8,867.59x = 81,009,748.93
  5. Step 5: Solve for x
    x = 81,009,748.93/8,867.59
  6. Step 6: Final answer
    x = 9,135.49

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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.