Home / 9,576.48-13,216.32-5,385.36

Finding the Fourth Proportional to 9,576.48, 13,216.32 and 5,385.36

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Solution

The fourth proportional to 9,576.48, 13,216.32 and 5,385.36 is: 7,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.48 : 13,216.32 = 5,385.36 : x
  2. Step 2: Convert to fraction form
    9,576.48/13,216.32 = 5,385.36/x
  3. Step 3: Cross multiply
    9,576.48x = 13,216.32 × 5,385.36
  4. Step 4: Simplify right side
    9,576.48x = 71,174,641.08
  5. Step 5: Solve for x
    x = 71,174,641.08/9,576.48
  6. Step 6: Final answer
    x = 7,432.23

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Half scale
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Double scale
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Similar ratio
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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.