Home / 10,445.90-15,669.64-3,050.42

Finding the Fourth Proportional to 10,445.90, 15,669.64 and 3,050.42

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Solution

The fourth proportional to 10,445.90, 15,669.64 and 3,050.42 is: 4,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.90 : 15,669.64 = 3,050.42 : x
  2. Step 2: Convert to fraction form
    10,445.90/15,669.64 = 3,050.42/x
  3. Step 3: Cross multiply
    10,445.90x = 15,669.64 × 3,050.42
  4. Step 4: Simplify right side
    10,445.90x = 47,798,983.25
  5. Step 5: Solve for x
    x = 47,798,983.25/10,445.90
  6. Step 6: Final answer
    x = 4,575.86

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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.