Home / 10,645.10-15,966.44-4,071.14

Finding the Fourth Proportional to 10,645.10, 15,966.44 and 4,071.14

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Solution

The fourth proportional to 10,645.10, 15,966.44 and 4,071.14 is: 6,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.10 : 15,966.44 = 4,071.14 : x
  2. Step 2: Convert to fraction form
    10,645.10/15,966.44 = 4,071.14/x
  3. Step 3: Cross multiply
    10,645.10x = 15,966.44 × 4,071.14
  4. Step 4: Simplify right side
    10,645.10x = 65,001,612.54
  5. Step 5: Solve for x
    x = 65,001,612.54/10,645.10
  6. Step 6: Final answer
    x = 6,106.25

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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.