Home / 7,387.29-10,189.80-4,736.43

Finding the Fourth Proportional to 7,387.29, 10,189.80 and 4,736.43

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Solution

The fourth proportional to 7,387.29, 10,189.80 and 4,736.43 is: 6,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.29 : 10,189.80 = 4,736.43 : x
  2. Step 2: Convert to fraction form
    7,387.29/10,189.80 = 4,736.43/x
  3. Step 3: Cross multiply
    7,387.29x = 10,189.80 × 4,736.43
  4. Step 4: Simplify right side
    7,387.29x = 48,263,274.41
  5. Step 5: Solve for x
    x = 48,263,274.41/7,387.29
  6. Step 6: Final answer
    x = 6,533.29

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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.