Home / 9,302.12-12,836.90-5,053.20

Finding the Fourth Proportional to 9,302.12, 12,836.90 and 5,053.20

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Solution

The fourth proportional to 9,302.12, 12,836.90 and 5,053.20 is: 6,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.12 : 12,836.90 = 5,053.20 : x
  2. Step 2: Convert to fraction form
    9,302.12/12,836.90 = 5,053.20/x
  3. Step 3: Cross multiply
    9,302.12x = 12,836.90 × 5,053.20
  4. Step 4: Simplify right side
    9,302.12x = 64,867,423.08
  5. Step 5: Solve for x
    x = 64,867,423.08/9,302.12
  6. Step 6: Final answer
    x = 6,973.40

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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.