Home / 10,013.85-15,022.95-3,440.19

Finding the Fourth Proportional to 10,013.85, 15,022.95 and 3,440.19

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Solution

The fourth proportional to 10,013.85, 15,022.95 and 3,440.19 is: 5,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.85 : 15,022.95 = 3,440.19 : x
  2. Step 2: Convert to fraction form
    10,013.85/15,022.95 = 3,440.19/x
  3. Step 3: Cross multiply
    10,013.85x = 15,022.95 × 3,440.19
  4. Step 4: Simplify right side
    10,013.85x = 51,681,802.36
  5. Step 5: Solve for x
    x = 51,681,802.36/10,013.85
  6. Step 6: Final answer
    x = 5,161.03

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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.