Home / 10,106.91-15,153.51-3,529.50

Finding the Fourth Proportional to 10,106.91, 15,153.51 and 3,529.50

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Solution

The fourth proportional to 10,106.91, 15,153.51 and 3,529.50 is: 5,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.91 : 15,153.51 = 3,529.50 : x
  2. Step 2: Convert to fraction form
    10,106.91/15,153.51 = 3,529.50/x
  3. Step 3: Cross multiply
    10,106.91x = 15,153.51 × 3,529.50
  4. Step 4: Simplify right side
    10,106.91x = 53,484,313.55
  5. Step 5: Solve for x
    x = 53,484,313.55/10,106.91
  6. Step 6: Final answer
    x = 5,291.86

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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.