Home / 10,298.78-15,448.14-3,724.94

Finding the Fourth Proportional to 10,298.78, 15,448.14 and 3,724.94

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Solution

The fourth proportional to 10,298.78, 15,448.14 and 3,724.94 is: 5,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.78 : 15,448.14 = 3,724.94 : x
  2. Step 2: Convert to fraction form
    10,298.78/15,448.14 = 3,724.94/x
  3. Step 3: Cross multiply
    10,298.78x = 15,448.14 × 3,724.94
  4. Step 4: Simplify right side
    10,298.78x = 57,543,394.61
  5. Step 5: Solve for x
    x = 57,543,394.61/10,298.78
  6. Step 6: Final answer
    x = 5,587.40

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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.