Home / 7,867.45-10,855.58-5,032.65

Finding the Fourth Proportional to 7,867.45, 10,855.58 and 5,032.65

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Solution

The fourth proportional to 7,867.45, 10,855.58 and 5,032.65 is: 6,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.45 : 10,855.58 = 5,032.65 : x
  2. Step 2: Convert to fraction form
    7,867.45/10,855.58 = 5,032.65/x
  3. Step 3: Cross multiply
    7,867.45x = 10,855.58 × 5,032.65
  4. Step 4: Simplify right side
    7,867.45x = 54,632,334.69
  5. Step 5: Solve for x
    x = 54,632,334.69/7,867.45
  6. Step 6: Final answer
    x = 6,944.10

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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.