Home / 7,887.13-10,884.39-5,097.49

Finding the Fourth Proportional to 7,887.13, 10,884.39 and 5,097.49

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Solution

The fourth proportional to 7,887.13, 10,884.39 and 5,097.49 is: 7,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.13 : 10,884.39 = 5,097.49 : x
  2. Step 2: Convert to fraction form
    7,887.13/10,884.39 = 5,097.49/x
  3. Step 3: Cross multiply
    7,887.13x = 10,884.39 × 5,097.49
  4. Step 4: Simplify right side
    7,887.13x = 55,483,014.76
  5. Step 5: Solve for x
    x = 55,483,014.76/7,887.13
  6. Step 6: Final answer
    x = 7,034.63

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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.