Home / 7,445.40-11,139.92-4,596.54

Finding the Fourth Proportional to 7,445.40, 11,139.92 and 4,596.54

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Solution

The fourth proportional to 7,445.40, 11,139.92 and 4,596.54 is: 6,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.40 : 11,139.92 = 4,596.54 : x
  2. Step 2: Convert to fraction form
    7,445.40/11,139.92 = 4,596.54/x
  3. Step 3: Cross multiply
    7,445.40x = 11,139.92 × 4,596.54
  4. Step 4: Simplify right side
    7,445.40x = 51,205,087.88
  5. Step 5: Solve for x
    x = 51,205,087.88/7,445.40
  6. Step 6: Final answer
    x = 6,877.41

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1.5x scale

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.