Home / 7,868.43-10,858.01-4,511.08

Finding the Fourth Proportional to 7,868.43, 10,858.01 and 4,511.08

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Solution

The fourth proportional to 7,868.43, 10,858.01 and 4,511.08 is: 6,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.43 : 10,858.01 = 4,511.08 : x
  2. Step 2: Convert to fraction form
    7,868.43/10,858.01 = 4,511.08/x
  3. Step 3: Cross multiply
    7,868.43x = 10,858.01 × 4,511.08
  4. Step 4: Simplify right side
    7,868.43x = 48,981,351.75
  5. Step 5: Solve for x
    x = 48,981,351.75/7,868.43
  6. Step 6: Final answer
    x = 6,225.05

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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.