Home / 7,403.52-10,190.88-6,703.68

Finding the Fourth Proportional to 7,403.52, 10,190.88 and 6,703.68

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Solution

The fourth proportional to 7,403.52, 10,190.88 and 6,703.68 is: 9,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.52 : 10,190.88 = 6,703.68 : x
  2. Step 2: Convert to fraction form
    7,403.52/10,190.88 = 6,703.68/x
  3. Step 3: Cross multiply
    7,403.52x = 10,190.88 × 6,703.68
  4. Step 4: Simplify right side
    7,403.52x = 68,316,398.44
  5. Step 5: Solve for x
    x = 68,316,398.44/7,403.52
  6. Step 6: Final answer
    x = 9,227.56

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Half scale
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Double scale
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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.