Home / 10,284.22-15,423.14-3,709.55

Finding the Fourth Proportional to 10,284.22, 15,423.14 and 3,709.55

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Solution

The fourth proportional to 10,284.22, 15,423.14 and 3,709.55 is: 5,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.22 : 15,423.14 = 3,709.55 : x
  2. Step 2: Convert to fraction form
    10,284.22/15,423.14 = 3,709.55/x
  3. Step 3: Cross multiply
    10,284.22x = 15,423.14 × 3,709.55
  4. Step 4: Simplify right side
    10,284.22x = 57,212,813.32
  5. Step 5: Solve for x
    x = 57,212,813.32/10,284.22
  6. Step 6: Final answer
    x = 5,563.17

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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.