Home / 7,920.66-10,929.77-4,733.33

Finding the Fourth Proportional to 7,920.66, 10,929.77 and 4,733.33

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Solution

The fourth proportional to 7,920.66, 10,929.77 and 4,733.33 is: 6,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.66 : 10,929.77 = 4,733.33 : x
  2. Step 2: Convert to fraction form
    7,920.66/10,929.77 = 4,733.33/x
  3. Step 3: Cross multiply
    7,920.66x = 10,929.77 × 4,733.33
  4. Step 4: Simplify right side
    7,920.66x = 51,734,174.29
  5. Step 5: Solve for x
    x = 51,734,174.29/7,920.66
  6. Step 6: Final answer
    x = 6,531.55

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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.