Home / 10,358.35-15,534.55-5,090.11

Finding the Fourth Proportional to 10,358.35, 15,534.55 and 5,090.11

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Solution

The fourth proportional to 10,358.35, 15,534.55 and 5,090.11 is: 7,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.35 : 15,534.55 = 5,090.11 : x
  2. Step 2: Convert to fraction form
    10,358.35/15,534.55 = 5,090.11/x
  3. Step 3: Cross multiply
    10,358.35x = 15,534.55 × 5,090.11
  4. Step 4: Simplify right side
    10,358.35x = 79,072,568.30
  5. Step 5: Solve for x
    x = 79,072,568.30/10,358.35
  6. Step 6: Final answer
    x = 7,633.70

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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.