Home / 7,867.51-10,857.33-4,330.74

Finding the Fourth Proportional to 7,867.51, 10,857.33 and 4,330.74

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Solution

The fourth proportional to 7,867.51, 10,857.33 and 4,330.74 is: 5,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.51 : 10,857.33 = 4,330.74 : x
  2. Step 2: Convert to fraction form
    7,867.51/10,857.33 = 4,330.74/x
  3. Step 3: Cross multiply
    7,867.51x = 10,857.33 × 4,330.74
  4. Step 4: Simplify right side
    7,867.51x = 47,020,273.32
  5. Step 5: Solve for x
    x = 47,020,273.32/7,867.51
  6. Step 6: Final answer
    x = 5,976.51

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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.