Home / 8,623.56-11,888.46-7,291.92

Finding the Fourth Proportional to 8,623.56, 11,888.46 and 7,291.92

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Solution

The fourth proportional to 8,623.56, 11,888.46 and 7,291.92 is: 10,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.56 : 11,888.46 = 7,291.92 : x
  2. Step 2: Convert to fraction form
    8,623.56/11,888.46 = 7,291.92/x
  3. Step 3: Cross multiply
    8,623.56x = 11,888.46 × 7,291.92
  4. Step 4: Simplify right side
    8,623.56x = 86,689,699.24
  5. Step 5: Solve for x
    x = 86,689,699.24/8,623.56
  6. Step 6: Final answer
    x = 10,052.66

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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.