Home / 8,886.33-12,259.28-5,108.63

Finding the Fourth Proportional to 8,886.33, 12,259.28 and 5,108.63

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Solution

The fourth proportional to 8,886.33, 12,259.28 and 5,108.63 is: 7,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.33 : 12,259.28 = 5,108.63 : x
  2. Step 2: Convert to fraction form
    8,886.33/12,259.28 = 5,108.63/x
  3. Step 3: Cross multiply
    8,886.33x = 12,259.28 × 5,108.63
  4. Step 4: Simplify right side
    8,886.33x = 62,628,077.06
  5. Step 5: Solve for x
    x = 62,628,077.06/8,886.33
  6. Step 6: Final answer
    x = 7,047.69

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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.