Home / 7,929.29-10,943.10-4,572.25

Finding the Fourth Proportional to 7,929.29, 10,943.10 and 4,572.25

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Solution

The fourth proportional to 7,929.29, 10,943.10 and 4,572.25 is: 6,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.29 : 10,943.10 = 4,572.25 : x
  2. Step 2: Convert to fraction form
    7,929.29/10,943.10 = 4,572.25/x
  3. Step 3: Cross multiply
    7,929.29x = 10,943.10 × 4,572.25
  4. Step 4: Simplify right side
    7,929.29x = 50,034,561.62
  5. Step 5: Solve for x
    x = 50,034,561.62/7,929.29
  6. Step 6: Final answer
    x = 6,310.09

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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.