Home / 10,404.56-15,607.47-3,835.32

Finding the Fourth Proportional to 10,404.56, 15,607.47 and 3,835.32

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Solution

The fourth proportional to 10,404.56, 15,607.47 and 3,835.32 is: 5,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.56 : 15,607.47 = 3,835.32 : x
  2. Step 2: Convert to fraction form
    10,404.56/15,607.47 = 3,835.32/x
  3. Step 3: Cross multiply
    10,404.56x = 15,607.47 × 3,835.32
  4. Step 4: Simplify right side
    10,404.56x = 59,859,641.84
  5. Step 5: Solve for x
    x = 59,859,641.84/10,404.56
  6. Step 6: Final answer
    x = 5,753.21

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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.