Home / 7,766.97-10,718.45-4,782.03

Finding the Fourth Proportional to 7,766.97, 10,718.45 and 4,782.03

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Solution

The fourth proportional to 7,766.97, 10,718.45 and 4,782.03 is: 6,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.97 : 10,718.45 = 4,782.03 : x
  2. Step 2: Convert to fraction form
    7,766.97/10,718.45 = 4,782.03/x
  3. Step 3: Cross multiply
    7,766.97x = 10,718.45 × 4,782.03
  4. Step 4: Simplify right side
    7,766.97x = 51,255,949.45
  5. Step 5: Solve for x
    x = 51,255,949.45/7,766.97
  6. Step 6: Final answer
    x = 6,599.22

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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.