Home / 8,886.63-12,262.14-5,109.06

Finding the Fourth Proportional to 8,886.63, 12,262.14 and 5,109.06

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Solution

The fourth proportional to 8,886.63, 12,262.14 and 5,109.06 is: 7,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.63 : 12,262.14 = 5,109.06 : x
  2. Step 2: Convert to fraction form
    8,886.63/12,262.14 = 5,109.06/x
  3. Step 3: Cross multiply
    8,886.63x = 12,262.14 × 5,109.06
  4. Step 4: Simplify right side
    8,886.63x = 62,648,008.99
  5. Step 5: Solve for x
    x = 62,648,008.99/8,886.63
  6. Step 6: Final answer
    x = 7,049.69

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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.