Home / 7,555.29-10,431.18-4,867.71

Finding the Fourth Proportional to 7,555.29, 10,431.18 and 4,867.71

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Solution

The fourth proportional to 7,555.29, 10,431.18 and 4,867.71 is: 6,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.29 : 10,431.18 = 4,867.71 : x
  2. Step 2: Convert to fraction form
    7,555.29/10,431.18 = 4,867.71/x
  3. Step 3: Cross multiply
    7,555.29x = 10,431.18 × 4,867.71
  4. Step 4: Simplify right side
    7,555.29x = 50,775,959.20
  5. Step 5: Solve for x
    x = 50,775,959.20/7,555.29
  6. Step 6: Final answer
    x = 6,720.58

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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.