Home / 11,445.04-15,794.16-6,340.89

Finding the Fourth Proportional to 11,445.04, 15,794.16 and 6,340.89

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Solution

The fourth proportional to 11,445.04, 15,794.16 and 6,340.89 is: 8,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.04 : 15,794.16 = 6,340.89 : x
  2. Step 2: Convert to fraction form
    11,445.04/15,794.16 = 6,340.89/x
  3. Step 3: Cross multiply
    11,445.04x = 15,794.16 × 6,340.89
  4. Step 4: Simplify right side
    11,445.04x = 100,148,999.50
  5. Step 5: Solve for x
    x = 100,148,999.50/11,445.04
  6. Step 6: Final answer
    x = 8,750.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.