Home / 11,575.85-15,973.72-6,540.50

Finding the Fourth Proportional to 11,575.85, 15,973.72 and 6,540.50

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Solution

The fourth proportional to 11,575.85, 15,973.72 and 6,540.50 is: 9,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.85 : 15,973.72 = 6,540.50 : x
  2. Step 2: Convert to fraction form
    11,575.85/15,973.72 = 6,540.50/x
  3. Step 3: Cross multiply
    11,575.85x = 15,973.72 × 6,540.50
  4. Step 4: Simplify right side
    11,575.85x = 104,476,082.96
  5. Step 5: Solve for x
    x = 104,476,082.96/11,575.85
  6. Step 6: Final answer
    x = 9,025.35

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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.