Home / 8,712.76-12,026.58-5,884.36

Finding the Fourth Proportional to 8,712.76, 12,026.58 and 5,884.36

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Solution

The fourth proportional to 8,712.76, 12,026.58 and 5,884.36 is: 8,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.76 : 12,026.58 = 5,884.36 : x
  2. Step 2: Convert to fraction form
    8,712.76/12,026.58 = 5,884.36/x
  3. Step 3: Cross multiply
    8,712.76x = 12,026.58 × 5,884.36
  4. Step 4: Simplify right side
    8,712.76x = 70,768,726.29
  5. Step 5: Solve for x
    x = 70,768,726.29/8,712.76
  6. Step 6: Final answer
    x = 8,122.42

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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.