Home / 7,242.51-10,863.65-2,312.12

Finding the Fourth Proportional to 7,242.51, 10,863.65 and 2,312.12

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Solution

The fourth proportional to 7,242.51, 10,863.65 and 2,312.12 is: 3,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.51 : 10,863.65 = 2,312.12 : x
  2. Step 2: Convert to fraction form
    7,242.51/10,863.65 = 2,312.12/x
  3. Step 3: Cross multiply
    7,242.51x = 10,863.65 × 2,312.12
  4. Step 4: Simplify right side
    7,242.51x = 25,118,062.44
  5. Step 5: Solve for x
    x = 25,118,062.44/7,242.51
  6. Step 6: Final answer
    x = 3,468.14

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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.