Home / 25,317.12-37,976.28-7,787.10

Finding the Fourth Proportional to 25,317.12, 37,976.28 and 7,787.10

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Solution

The fourth proportional to 25,317.12, 37,976.28 and 7,787.10 is: 11,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.12 : 37,976.28 = 7,787.10 : x
  2. Step 2: Convert to fraction form
    25,317.12/37,976.28 = 7,787.10/x
  3. Step 3: Cross multiply
    25,317.12x = 37,976.28 × 7,787.10
  4. Step 4: Simplify right side
    25,317.12x = 295,724,900.11
  5. Step 5: Solve for x
    x = 295,724,900.11/25,317.12
  6. Step 6: Final answer
    x = 11,680.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.