Home / 10,312.27-15,468.40-3,738.45

Finding the Fourth Proportional to 10,312.27, 15,468.40 and 3,738.45

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Solution

The fourth proportional to 10,312.27, 15,468.40 and 3,738.45 is: 5,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.27 : 15,468.40 = 3,738.45 : x
  2. Step 2: Convert to fraction form
    10,312.27/15,468.40 = 3,738.45/x
  3. Step 3: Cross multiply
    10,312.27x = 15,468.40 × 3,738.45
  4. Step 4: Simplify right side
    10,312.27x = 57,827,839.98
  5. Step 5: Solve for x
    x = 57,827,839.98/10,312.27
  6. Step 6: Final answer
    x = 5,607.67

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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.