Home / 10,925.15-16,387.88-3,529.67

Finding the Fourth Proportional to 10,925.15, 16,387.88 and 3,529.67

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Solution

The fourth proportional to 10,925.15, 16,387.88 and 3,529.67 is: 5,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.15 : 16,387.88 = 3,529.67 : x
  2. Step 2: Convert to fraction form
    10,925.15/16,387.88 = 3,529.67/x
  3. Step 3: Cross multiply
    10,925.15x = 16,387.88 × 3,529.67
  4. Step 4: Simplify right side
    10,925.15x = 57,843,708.81
  5. Step 5: Solve for x
    x = 57,843,708.81/10,925.15
  6. Step 6: Final answer
    x = 5,294.55

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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.