Home / 10,274.22-15,412.29-4,729.11

Finding the Fourth Proportional to 10,274.22, 15,412.29 and 4,729.11

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Solution

The fourth proportional to 10,274.22, 15,412.29 and 4,729.11 is: 7,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.22 : 15,412.29 = 4,729.11 : x
  2. Step 2: Convert to fraction form
    10,274.22/15,412.29 = 4,729.11/x
  3. Step 3: Cross multiply
    10,274.22x = 15,412.29 × 4,729.11
  4. Step 4: Simplify right side
    10,274.22x = 72,886,414.76
  5. Step 5: Solve for x
    x = 72,886,414.76/10,274.22
  6. Step 6: Final answer
    x = 7,094.11

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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.