Home / 11,913.08-16,432.52-7,669.67

Finding the Fourth Proportional to 11,913.08, 16,432.52 and 7,669.67

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Solution

The fourth proportional to 11,913.08, 16,432.52 and 7,669.67 is: 10,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.08 : 16,432.52 = 7,669.67 : x
  2. Step 2: Convert to fraction form
    11,913.08/16,432.52 = 7,669.67/x
  3. Step 3: Cross multiply
    11,913.08x = 16,432.52 × 7,669.67
  4. Step 4: Simplify right side
    11,913.08x = 126,031,885.16
  5. Step 5: Solve for x
    x = 126,031,885.16/11,913.08
  6. Step 6: Final answer
    x = 10,579.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.