Home / 10,925.76-16,384.47-3,529.11

Finding the Fourth Proportional to 10,925.76, 16,384.47 and 3,529.11

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Solution

The fourth proportional to 10,925.76, 16,384.47 and 3,529.11 is: 5,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.76 : 16,384.47 = 3,529.11 : x
  2. Step 2: Convert to fraction form
    10,925.76/16,384.47 = 3,529.11/x
  3. Step 3: Cross multiply
    10,925.76x = 16,384.47 × 3,529.11
  4. Step 4: Simplify right side
    10,925.76x = 57,822,596.92
  5. Step 5: Solve for x
    x = 57,822,596.92/10,925.76
  6. Step 6: Final answer
    x = 5,292.32

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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.