Home / 9,867.12-13,614.36-5,887.46

Finding the Fourth Proportional to 9,867.12, 13,614.36 and 5,887.46

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Solution

The fourth proportional to 9,867.12, 13,614.36 and 5,887.46 is: 8,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.12 : 13,614.36 = 5,887.46 : x
  2. Step 2: Convert to fraction form
    9,867.12/13,614.36 = 5,887.46/x
  3. Step 3: Cross multiply
    9,867.12x = 13,614.36 × 5,887.46
  4. Step 4: Simplify right side
    9,867.12x = 80,153,999.93
  5. Step 5: Solve for x
    x = 80,153,999.93/9,867.12
  6. Step 6: Final answer
    x = 8,123.34

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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.