Home / 7,387.11-10,195.08-5,396.67

Finding the Fourth Proportional to 7,387.11, 10,195.08 and 5,396.67

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Solution

The fourth proportional to 7,387.11, 10,195.08 and 5,396.67 is: 7,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.11 : 10,195.08 = 5,396.67 : x
  2. Step 2: Convert to fraction form
    7,387.11/10,195.08 = 5,396.67/x
  3. Step 3: Cross multiply
    7,387.11x = 10,195.08 × 5,396.67
  4. Step 4: Simplify right side
    7,387.11x = 55,019,482.38
  5. Step 5: Solve for x
    x = 55,019,482.38/7,387.11
  6. Step 6: Final answer
    x = 7,448.04

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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.