Home / 10,106.32-15,159.48-3,946

Finding the Fourth Proportional to 10,106.32, 15,159.48 and 3,946

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Solution

The fourth proportional to 10,106.32, 15,159.48 and 3,946 is: 5,919

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.32 : 15,159.48 = 3,946 : x
  2. Step 2: Convert to fraction form
    10,106.32/15,159.48 = 3,946/x
  3. Step 3: Cross multiply
    10,106.32x = 15,159.48 × 3,946
  4. Step 4: Simplify right side
    10,106.32x = 59,819,308.08
  5. Step 5: Solve for x
    x = 59,819,308.08/10,106.32
  6. Step 6: Final answer
    x = 5,919

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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.