Home / 7,887.11-10,884.16-4,302.05

Finding the Fourth Proportional to 7,887.11, 10,884.16 and 4,302.05

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Solution

The fourth proportional to 7,887.11, 10,884.16 and 4,302.05 is: 5,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.11 : 10,884.16 = 4,302.05 : x
  2. Step 2: Convert to fraction form
    7,887.11/10,884.16 = 4,302.05/x
  3. Step 3: Cross multiply
    7,887.11x = 10,884.16 × 4,302.05
  4. Step 4: Simplify right side
    7,887.11x = 46,824,151.48
  5. Step 5: Solve for x
    x = 46,824,151.48/7,887.11
  6. Step 6: Final answer
    x = 5,936.80

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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.