Home / 7,623.20-10,508.37-5,497.76

Finding the Fourth Proportional to 7,623.20, 10,508.37 and 5,497.76

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Solution

The fourth proportional to 7,623.20, 10,508.37 and 5,497.76 is: 7,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.20 : 10,508.37 = 5,497.76 : x
  2. Step 2: Convert to fraction form
    7,623.20/10,508.37 = 5,497.76/x
  3. Step 3: Cross multiply
    7,623.20x = 10,508.37 × 5,497.76
  4. Step 4: Simplify right side
    7,623.20x = 57,772,443.71
  5. Step 5: Solve for x
    x = 57,772,443.71/7,623.20
  6. Step 6: Final answer
    x = 7,578.51

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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.