Home / 7,657.07-11,488.84-4,149.46

Finding the Fourth Proportional to 7,657.07, 11,488.84 and 4,149.46

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Solution

The fourth proportional to 7,657.07, 11,488.84 and 4,149.46 is: 6,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.07 : 11,488.84 = 4,149.46 : x
  2. Step 2: Convert to fraction form
    7,657.07/11,488.84 = 4,149.46/x
  3. Step 3: Cross multiply
    7,657.07x = 11,488.84 × 4,149.46
  4. Step 4: Simplify right side
    7,657.07x = 47,672,486.01
  5. Step 5: Solve for x
    x = 47,672,486.01/7,657.07
  6. Step 6: Final answer
    x = 6,225.95

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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.