Home / 11,162.37-15,402.94-6,686.00

Finding the Fourth Proportional to 11,162.37, 15,402.94 and 6,686.00

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Solution

The fourth proportional to 11,162.37, 15,402.94 and 6,686.00 is: 9,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.37 : 15,402.94 = 6,686.00 : x
  2. Step 2: Convert to fraction form
    11,162.37/15,402.94 = 6,686.00/x
  3. Step 3: Cross multiply
    11,162.37x = 15,402.94 × 6,686.00
  4. Step 4: Simplify right side
    11,162.37x = 102,984,095.35
  5. Step 5: Solve for x
    x = 102,984,095.35/11,162.37
  6. Step 6: Final answer
    x = 9,226.01

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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.