Home / 7,881.34-10,876.72-4,524.14

Finding the Fourth Proportional to 7,881.34, 10,876.72 and 4,524.14

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Solution

The fourth proportional to 7,881.34, 10,876.72 and 4,524.14 is: 6,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.34 : 10,876.72 = 4,524.14 : x
  2. Step 2: Convert to fraction form
    7,881.34/10,876.72 = 4,524.14/x
  3. Step 3: Cross multiply
    7,881.34x = 10,876.72 × 4,524.14
  4. Step 4: Simplify right side
    7,881.34x = 49,207,804.02
  5. Step 5: Solve for x
    x = 49,207,804.02/7,881.34
  6. Step 6: Final answer
    x = 6,243.58

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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.