Home / 7,868.52-10,858.56-4,724.73

Finding the Fourth Proportional to 7,868.52, 10,858.56 and 4,724.73

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Solution

The fourth proportional to 7,868.52, 10,858.56 and 4,724.73 is: 6,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.52 : 10,858.56 = 4,724.73 : x
  2. Step 2: Convert to fraction form
    7,868.52/10,858.56 = 4,724.73/x
  3. Step 3: Cross multiply
    7,868.52x = 10,858.56 × 4,724.73
  4. Step 4: Simplify right side
    7,868.52x = 51,303,764.19
  5. Step 5: Solve for x
    x = 51,303,764.19/7,868.52
  6. Step 6: Final answer
    x = 6,520.13

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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.