Home / 10,865.84-16,304.16-5,023.76

Finding the Fourth Proportional to 10,865.84, 16,304.16 and 5,023.76

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Solution

The fourth proportional to 10,865.84, 16,304.16 and 5,023.76 is: 7,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.84 : 16,304.16 = 5,023.76 : x
  2. Step 2: Convert to fraction form
    10,865.84/16,304.16 = 5,023.76/x
  3. Step 3: Cross multiply
    10,865.84x = 16,304.16 × 5,023.76
  4. Step 4: Simplify right side
    10,865.84x = 81,908,186.84
  5. Step 5: Solve for x
    x = 81,908,186.84/10,865.84
  6. Step 6: Final answer
    x = 7,538.14

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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.