Home / 10,035.78-15,055.76-3,015.51

Finding the Fourth Proportional to 10,035.78, 15,055.76 and 3,015.51

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Solution

The fourth proportional to 10,035.78, 15,055.76 and 3,015.51 is: 4,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.78 : 15,055.76 = 3,015.51 : x
  2. Step 2: Convert to fraction form
    10,035.78/15,055.76 = 3,015.51/x
  3. Step 3: Cross multiply
    10,035.78x = 15,055.76 × 3,015.51
  4. Step 4: Simplify right side
    10,035.78x = 45,400,794.84
  5. Step 5: Solve for x
    x = 45,400,794.84/10,035.78
  6. Step 6: Final answer
    x = 4,523.89

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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.