Home / 7,887.46-10,868.24-5,365.19

Finding the Fourth Proportional to 7,887.46, 10,868.24 and 5,365.19

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Solution

The fourth proportional to 7,887.46, 10,868.24 and 5,365.19 is: 7,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.46 : 10,868.24 = 5,365.19 : x
  2. Step 2: Convert to fraction form
    7,887.46/10,868.24 = 5,365.19/x
  3. Step 3: Cross multiply
    7,887.46x = 10,868.24 × 5,365.19
  4. Step 4: Simplify right side
    7,887.46x = 58,310,152.02
  5. Step 5: Solve for x
    x = 58,310,152.02/7,887.46
  6. Step 6: Final answer
    x = 7,392.77

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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.