Home / 7,869.76-10,860.36-4,333.04

Finding the Fourth Proportional to 7,869.76, 10,860.36 and 4,333.04

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Solution

The fourth proportional to 7,869.76, 10,860.36 and 4,333.04 is: 5,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.76 : 10,860.36 = 4,333.04 : x
  2. Step 2: Convert to fraction form
    7,869.76/10,860.36 = 4,333.04/x
  3. Step 3: Cross multiply
    7,869.76x = 10,860.36 × 4,333.04
  4. Step 4: Simplify right side
    7,869.76x = 47,058,374.29
  5. Step 5: Solve for x
    x = 47,058,374.29/7,869.76
  6. Step 6: Final answer
    x = 5,979.65

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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.