Home / 11,800.37-16,278.81-7,329.32

Finding the Fourth Proportional to 11,800.37, 16,278.81 and 7,329.32

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Solution

The fourth proportional to 11,800.37, 16,278.81 and 7,329.32 is: 10,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.37 : 16,278.81 = 7,329.32 : x
  2. Step 2: Convert to fraction form
    11,800.37/16,278.81 = 7,329.32/x
  3. Step 3: Cross multiply
    11,800.37x = 16,278.81 × 7,329.32
  4. Step 4: Simplify right side
    11,800.37x = 119,312,526.32
  5. Step 5: Solve for x
    x = 119,312,526.32/11,800.37
  6. Step 6: Final answer
    x = 10,110.92

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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.