Home / 10,285.22-15,424.63-3,710.55

Finding the Fourth Proportional to 10,285.22, 15,424.63 and 3,710.55

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Solution

The fourth proportional to 10,285.22, 15,424.63 and 3,710.55 is: 5,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.22 : 15,424.63 = 3,710.55 : x
  2. Step 2: Convert to fraction form
    10,285.22/15,424.63 = 3,710.55/x
  3. Step 3: Cross multiply
    10,285.22x = 15,424.63 × 3,710.55
  4. Step 4: Simplify right side
    10,285.22x = 57,233,860.85
  5. Step 5: Solve for x
    x = 57,233,860.85/10,285.22
  6. Step 6: Final answer
    x = 5,564.67

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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.