Home / 11,816.24-17,730.54-7,655.18

Finding the Fourth Proportional to 11,816.24, 17,730.54 and 7,655.18

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Solution

The fourth proportional to 11,816.24, 17,730.54 and 7,655.18 is: 11,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.24 : 17,730.54 = 7,655.18 : x
  2. Step 2: Convert to fraction form
    11,816.24/17,730.54 = 7,655.18/x
  3. Step 3: Cross multiply
    11,816.24x = 17,730.54 × 7,655.18
  4. Step 4: Simplify right side
    11,816.24x = 135,730,475.20
  5. Step 5: Solve for x
    x = 135,730,475.20/11,816.24
  6. Step 6: Final answer
    x = 11,486.77

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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.