Home / 11,400.77-15,733.32-7,152.01

Finding the Fourth Proportional to 11,400.77, 15,733.32 and 7,152.01

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Solution

The fourth proportional to 11,400.77, 15,733.32 and 7,152.01 is: 9,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.77 : 15,733.32 = 7,152.01 : x
  2. Step 2: Convert to fraction form
    11,400.77/15,733.32 = 7,152.01/x
  3. Step 3: Cross multiply
    11,400.77x = 15,733.32 × 7,152.01
  4. Step 4: Simplify right side
    11,400.77x = 112,524,861.97
  5. Step 5: Solve for x
    x = 112,524,861.97/11,400.77
  6. Step 6: Final answer
    x = 9,869.94

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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.