Home / 9,376.25-12,921.32-6,719.04

Finding the Fourth Proportional to 9,376.25, 12,921.32 and 6,719.04

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Solution

The fourth proportional to 9,376.25, 12,921.32 and 6,719.04 is: 9,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.25 : 12,921.32 = 6,719.04 : x
  2. Step 2: Convert to fraction form
    9,376.25/12,921.32 = 6,719.04/x
  3. Step 3: Cross multiply
    9,376.25x = 12,921.32 × 6,719.04
  4. Step 4: Simplify right side
    9,376.25x = 86,818,882.73
  5. Step 5: Solve for x
    x = 86,818,882.73/9,376.25
  6. Step 6: Final answer
    x = 9,259.45

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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.