Home / 7,924.56-10,935.10-4,387.68

Finding the Fourth Proportional to 7,924.56, 10,935.10 and 4,387.68

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Solution

The fourth proportional to 7,924.56, 10,935.10 and 4,387.68 is: 6,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.56 : 10,935.10 = 4,387.68 : x
  2. Step 2: Convert to fraction form
    7,924.56/10,935.10 = 4,387.68/x
  3. Step 3: Cross multiply
    7,924.56x = 10,935.10 × 4,387.68
  4. Step 4: Simplify right side
    7,924.56x = 47,979,719.57
  5. Step 5: Solve for x
    x = 47,979,719.57/7,924.56
  6. Step 6: Final answer
    x = 6,054.56

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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.