Home / 10,164.48-15,248.19-3,145.08

Finding the Fourth Proportional to 10,164.48, 15,248.19 and 3,145.08

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Solution

The fourth proportional to 10,164.48, 15,248.19 and 3,145.08 is: 4,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.48 : 15,248.19 = 3,145.08 : x
  2. Step 2: Convert to fraction form
    10,164.48/15,248.19 = 3,145.08/x
  3. Step 3: Cross multiply
    10,164.48x = 15,248.19 × 3,145.08
  4. Step 4: Simplify right side
    10,164.48x = 47,956,777.41
  5. Step 5: Solve for x
    x = 47,956,777.41/10,164.48
  6. Step 6: Final answer
    x = 4,718.07

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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.