Home / 10,021.36-15,034.56-4,758.16

Finding the Fourth Proportional to 10,021.36, 15,034.56 and 4,758.16

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Solution

The fourth proportional to 10,021.36, 15,034.56 and 4,758.16 is: 7,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.36 : 15,034.56 = 4,758.16 : x
  2. Step 2: Convert to fraction form
    10,021.36/15,034.56 = 4,758.16/x
  3. Step 3: Cross multiply
    10,021.36x = 15,034.56 × 4,758.16
  4. Step 4: Simplify right side
    10,021.36x = 71,536,842.01
  5. Step 5: Solve for x
    x = 71,536,842.01/10,021.36
  6. Step 6: Final answer
    x = 7,138.44

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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.