Home / 11,110.62-15,332.93-6,636.95

Finding the Fourth Proportional to 11,110.62, 15,332.93 and 6,636.95

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Solution

The fourth proportional to 11,110.62, 15,332.93 and 6,636.95 is: 9,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.62 : 15,332.93 = 6,636.95 : x
  2. Step 2: Convert to fraction form
    11,110.62/15,332.93 = 6,636.95/x
  3. Step 3: Cross multiply
    11,110.62x = 15,332.93 × 6,636.95
  4. Step 4: Simplify right side
    11,110.62x = 101,763,889.76
  5. Step 5: Solve for x
    x = 101,763,889.76/11,110.62
  6. Step 6: Final answer
    x = 9,159.15

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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.