Home / 10,331.68-15,497.18-3,312.12

Finding the Fourth Proportional to 10,331.68, 15,497.18 and 3,312.12

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Solution

The fourth proportional to 10,331.68, 15,497.18 and 3,312.12 is: 4,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.68 : 15,497.18 = 3,312.12 : x
  2. Step 2: Convert to fraction form
    10,331.68/15,497.18 = 3,312.12/x
  3. Step 3: Cross multiply
    10,331.68x = 15,497.18 × 3,312.12
  4. Step 4: Simplify right side
    10,331.68x = 51,328,519.82
  5. Step 5: Solve for x
    x = 51,328,519.82/10,331.68
  6. Step 6: Final answer
    x = 4,968.07

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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.