Home / 7,387.28-10,196.09-4,697.98

Finding the Fourth Proportional to 7,387.28, 10,196.09 and 4,697.98

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Solution

The fourth proportional to 7,387.28, 10,196.09 and 4,697.98 is: 6,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.28 : 10,196.09 = 4,697.98 : x
  2. Step 2: Convert to fraction form
    7,387.28/10,196.09 = 4,697.98/x
  3. Step 3: Cross multiply
    7,387.28x = 10,196.09 × 4,697.98
  4. Step 4: Simplify right side
    7,387.28x = 47,900,995.54
  5. Step 5: Solve for x
    x = 47,900,995.54/7,387.28
  6. Step 6: Final answer
    x = 6,484.25

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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.