Home / 7,875.11-10,867.24-4,338.24

Finding the Fourth Proportional to 7,875.11, 10,867.24 and 4,338.24

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Solution

The fourth proportional to 7,875.11, 10,867.24 and 4,338.24 is: 5,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.11 : 10,867.24 = 4,338.24 : x
  2. Step 2: Convert to fraction form
    7,875.11/10,867.24 = 4,338.24/x
  3. Step 3: Cross multiply
    7,875.11x = 10,867.24 × 4,338.24
  4. Step 4: Simplify right side
    7,875.11x = 47,144,695.26
  5. Step 5: Solve for x
    x = 47,144,695.26/7,875.11
  6. Step 6: Final answer
    x = 5,986.54

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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.