Home / 10,867.88-14,998.58-6,887.54

Finding the Fourth Proportional to 10,867.88, 14,998.58 and 6,887.54

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Solution

The fourth proportional to 10,867.88, 14,998.58 and 6,887.54 is: 9,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.88 : 14,998.58 = 6,887.54 : x
  2. Step 2: Convert to fraction form
    10,867.88/14,998.58 = 6,887.54/x
  3. Step 3: Cross multiply
    10,867.88x = 14,998.58 × 6,887.54
  4. Step 4: Simplify right side
    10,867.88x = 103,303,210.26
  5. Step 5: Solve for x
    x = 103,303,210.26/10,867.88
  6. Step 6: Final answer
    x = 9,505.37

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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.