Home / 8,719.96-12,036.18-5,927.08

Finding the Fourth Proportional to 8,719.96, 12,036.18 and 5,927.08

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Solution

The fourth proportional to 8,719.96, 12,036.18 and 5,927.08 is: 8,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.96 : 12,036.18 = 5,927.08 : x
  2. Step 2: Convert to fraction form
    8,719.96/12,036.18 = 5,927.08/x
  3. Step 3: Cross multiply
    8,719.96x = 12,036.18 × 5,927.08
  4. Step 4: Simplify right side
    8,719.96x = 71,339,401.75
  5. Step 5: Solve for x
    x = 71,339,401.75/8,719.96
  6. Step 6: Final answer
    x = 8,181.16

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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.