Home / 9,370.04-12,938.11-5,790.20

Finding the Fourth Proportional to 9,370.04, 12,938.11 and 5,790.20

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Solution

The fourth proportional to 9,370.04, 12,938.11 and 5,790.20 is: 7,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.04 : 12,938.11 = 5,790.20 : x
  2. Step 2: Convert to fraction form
    9,370.04/12,938.11 = 5,790.20/x
  3. Step 3: Cross multiply
    9,370.04x = 12,938.11 × 5,790.20
  4. Step 4: Simplify right side
    9,370.04x = 74,914,262.39
  5. Step 5: Solve for x
    x = 74,914,262.39/9,370.04
  6. Step 6: Final answer
    x = 7,995.08

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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.