Home / 7,887.12-10,883.76-4,350.24

Finding the Fourth Proportional to 7,887.12, 10,883.76 and 4,350.24

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Solution

The fourth proportional to 7,887.12, 10,883.76 and 4,350.24 is: 6,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.12 : 10,883.76 = 4,350.24 : x
  2. Step 2: Convert to fraction form
    7,887.12/10,883.76 = 4,350.24/x
  3. Step 3: Cross multiply
    7,887.12x = 10,883.76 × 4,350.24
  4. Step 4: Simplify right side
    7,887.12x = 47,346,968.10
  5. Step 5: Solve for x
    x = 47,346,968.10/7,887.12
  6. Step 6: Final answer
    x = 6,003.07

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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.