Home / 11,116.59-16,656.36-7,822.76

Finding the Fourth Proportional to 11,116.59, 16,656.36 and 7,822.76

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Solution

The fourth proportional to 11,116.59, 16,656.36 and 7,822.76 is: 11,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.59 : 16,656.36 = 7,822.76 : x
  2. Step 2: Convert to fraction form
    11,116.59/16,656.36 = 7,822.76/x
  3. Step 3: Cross multiply
    11,116.59x = 16,656.36 × 7,822.76
  4. Step 4: Simplify right side
    11,116.59x = 130,298,623.47
  5. Step 5: Solve for x
    x = 130,298,623.47/11,116.59
  6. Step 6: Final answer
    x = 11,721.10

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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.