Home / 11,603.22-16,016.60-6,887.50

Finding the Fourth Proportional to 11,603.22, 16,016.60 and 6,887.50

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Solution

The fourth proportional to 11,603.22, 16,016.60 and 6,887.50 is: 9,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.22 : 16,016.60 = 6,887.50 : x
  2. Step 2: Convert to fraction form
    11,603.22/16,016.60 = 6,887.50/x
  3. Step 3: Cross multiply
    11,603.22x = 16,016.60 × 6,887.50
  4. Step 4: Simplify right side
    11,603.22x = 110,314,332.50
  5. Step 5: Solve for x
    x = 110,314,332.50/11,603.22
  6. Step 6: Final answer
    x = 9,507.22

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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.