Home / 12,352.86-18,524.70-7,665.93

Finding the Fourth Proportional to 12,352.86, 18,524.70 and 7,665.93

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Solution

The fourth proportional to 12,352.86, 18,524.70 and 7,665.93 is: 11,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.86 : 18,524.70 = 7,665.93 : x
  2. Step 2: Convert to fraction form
    12,352.86/18,524.70 = 7,665.93/x
  3. Step 3: Cross multiply
    12,352.86x = 18,524.70 × 7,665.93
  4. Step 4: Simplify right side
    12,352.86x = 142,009,053.47
  5. Step 5: Solve for x
    x = 142,009,053.47/12,352.86
  6. Step 6: Final answer
    x = 11,496.05

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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.