Home / 11,329.52-15,632.33-6,611.67

Finding the Fourth Proportional to 11,329.52, 15,632.33 and 6,611.67

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Solution

The fourth proportional to 11,329.52, 15,632.33 and 6,611.67 is: 9,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.52 : 15,632.33 = 6,611.67 : x
  2. Step 2: Convert to fraction form
    11,329.52/15,632.33 = 6,611.67/x
  3. Step 3: Cross multiply
    11,329.52x = 15,632.33 × 6,611.67
  4. Step 4: Simplify right side
    11,329.52x = 103,355,774.23
  5. Step 5: Solve for x
    x = 103,355,774.23/11,329.52
  6. Step 6: Final answer
    x = 9,122.70

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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.