Home / 11,710.62-16,166.52-7,953.66

Finding the Fourth Proportional to 11,710.62, 16,166.52 and 7,953.66

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Solution

The fourth proportional to 11,710.62, 16,166.52 and 7,953.66 is: 10,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.62 : 16,166.52 = 7,953.66 : x
  2. Step 2: Convert to fraction form
    11,710.62/16,166.52 = 7,953.66/x
  3. Step 3: Cross multiply
    11,710.62x = 16,166.52 × 7,953.66
  4. Step 4: Simplify right side
    11,710.62x = 128,583,003.46
  5. Step 5: Solve for x
    x = 128,583,003.46/11,710.62
  6. Step 6: Final answer
    x = 10,980.03

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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.