Home / 9,532.40-14,298.60-8,220.20

Finding the Fourth Proportional to 9,532.40, 14,298.60 and 8,220.20

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Solution

The fourth proportional to 9,532.40, 14,298.60 and 8,220.20 is: 12,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,532.40 : 14,298.60 = 8,220.20 : x
  2. Step 2: Convert to fraction form
    9,532.40/14,298.60 = 8,220.20/x
  3. Step 3: Cross multiply
    9,532.40x = 14,298.60 × 8,220.20
  4. Step 4: Simplify right side
    9,532.40x = 117,537,351.72
  5. Step 5: Solve for x
    x = 117,537,351.72/9,532.40
  6. Step 6: Final answer
    x = 12,330.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.