Home / 9,673.47-13,349.52-5,424.48

Finding the Fourth Proportional to 9,673.47, 13,349.52 and 5,424.48

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Solution

The fourth proportional to 9,673.47, 13,349.52 and 5,424.48 is: 7,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,673.47 : 13,349.52 = 5,424.48 : x
  2. Step 2: Convert to fraction form
    9,673.47/13,349.52 = 5,424.48/x
  3. Step 3: Cross multiply
    9,673.47x = 13,349.52 × 5,424.48
  4. Step 4: Simplify right side
    9,673.47x = 72,414,204.25
  5. Step 5: Solve for x
    x = 72,414,204.25/9,673.47
  6. Step 6: Final answer
    x = 7,485.86

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Half 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.