Home / 10,557.16-15,835.48-6,121.44

Finding the Fourth Proportional to 10,557.16, 15,835.48 and 6,121.44

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Solution

The fourth proportional to 10,557.16, 15,835.48 and 6,121.44 is: 9,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.16 : 15,835.48 = 6,121.44 : x
  2. Step 2: Convert to fraction form
    10,557.16/15,835.48 = 6,121.44/x
  3. Step 3: Cross multiply
    10,557.16x = 15,835.48 × 6,121.44
  4. Step 4: Simplify right side
    10,557.16x = 96,935,940.69
  5. Step 5: Solve for x
    x = 96,935,940.69/10,557.16
  6. Step 6: Final answer
    x = 9,182.01

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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.