Home / 7,750.08-10,697.28-4,766.40

Finding the Fourth Proportional to 7,750.08, 10,697.28 and 4,766.40

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Solution

The fourth proportional to 7,750.08, 10,697.28 and 4,766.40 is: 6,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.08 : 10,697.28 = 4,766.40 : x
  2. Step 2: Convert to fraction form
    7,750.08/10,697.28 = 4,766.40/x
  3. Step 3: Cross multiply
    7,750.08x = 10,697.28 × 4,766.40
  4. Step 4: Simplify right side
    7,750.08x = 50,987,515.39
  5. Step 5: Solve for x
    x = 50,987,515.39/7,750.08
  6. Step 6: Final answer
    x = 6,578.97

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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.