Home / 8,615.33-11,888.26-4,838.90

Finding the Fourth Proportional to 8,615.33, 11,888.26 and 4,838.90

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Solution

The fourth proportional to 8,615.33, 11,888.26 and 4,838.90 is: 6,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.33 : 11,888.26 = 4,838.90 : x
  2. Step 2: Convert to fraction form
    8,615.33/11,888.26 = 4,838.90/x
  3. Step 3: Cross multiply
    8,615.33x = 11,888.26 × 4,838.90
  4. Step 4: Simplify right side
    8,615.33x = 57,526,077.12
  5. Step 5: Solve for x
    x = 57,526,077.12/8,615.33
  6. Step 6: Final answer
    x = 6,677.18

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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.