Home / 10,511.53-15,767.70-3,492.16

Finding the Fourth Proportional to 10,511.53, 15,767.70 and 3,492.16

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Solution

The fourth proportional to 10,511.53, 15,767.70 and 3,492.16 is: 5,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.53 : 15,767.70 = 3,492.16 : x
  2. Step 2: Convert to fraction form
    10,511.53/15,767.70 = 3,492.16/x
  3. Step 3: Cross multiply
    10,511.53x = 15,767.70 × 3,492.16
  4. Step 4: Simplify right side
    10,511.53x = 55,063,331.23
  5. Step 5: Solve for x
    x = 55,063,331.23/10,511.53
  6. Step 6: Final answer
    x = 5,238.37

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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.