Home / 10,953.25-16,431.50-5,106.67

Finding the Fourth Proportional to 10,953.25, 16,431.50 and 5,106.67

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Solution

The fourth proportional to 10,953.25, 16,431.50 and 5,106.67 is: 7,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.25 : 16,431.50 = 5,106.67 : x
  2. Step 2: Convert to fraction form
    10,953.25/16,431.50 = 5,106.67/x
  3. Step 3: Cross multiply
    10,953.25x = 16,431.50 × 5,106.67
  4. Step 4: Simplify right side
    10,953.25x = 83,910,248.11
  5. Step 5: Solve for x
    x = 83,910,248.11/10,953.25
  6. Step 6: Final answer
    x = 7,660.76

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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.