Home / 7,242.36-10,863.34-2,312.30

Finding the Fourth Proportional to 7,242.36, 10,863.34 and 2,312.30

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Solution

The fourth proportional to 7,242.36, 10,863.34 and 2,312.30 is: 3,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.36 : 10,863.34 = 2,312.30 : x
  2. Step 2: Convert to fraction form
    7,242.36/10,863.34 = 2,312.30/x
  3. Step 3: Cross multiply
    7,242.36x = 10,863.34 × 2,312.30
  4. Step 4: Simplify right side
    7,242.36x = 25,119,301.08
  5. Step 5: Solve for x
    x = 25,119,301.08/7,242.36
  6. Step 6: Final answer
    x = 3,468.39

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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.