Home / 10,307.48-15,462.35-3,285.86

Finding the Fourth Proportional to 10,307.48, 15,462.35 and 3,285.86

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Solution

The fourth proportional to 10,307.48, 15,462.35 and 3,285.86 is: 4,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.48 : 15,462.35 = 3,285.86 : x
  2. Step 2: Convert to fraction form
    10,307.48/15,462.35 = 3,285.86/x
  3. Step 3: Cross multiply
    10,307.48x = 15,462.35 × 3,285.86
  4. Step 4: Simplify right side
    10,307.48x = 50,807,023.63
  5. Step 5: Solve for x
    x = 50,807,023.63/10,307.48
  6. Step 6: Final answer
    x = 4,929.14

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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.