Home / 10,850.20-14,970.85-6,603.48

Finding the Fourth Proportional to 10,850.20, 14,970.85 and 6,603.48

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Solution

The fourth proportional to 10,850.20, 14,970.85 and 6,603.48 is: 9,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.20 : 14,970.85 = 6,603.48 : x
  2. Step 2: Convert to fraction form
    10,850.20/14,970.85 = 6,603.48/x
  3. Step 3: Cross multiply
    10,850.20x = 14,970.85 × 6,603.48
  4. Step 4: Simplify right side
    10,850.20x = 98,859,692.05
  5. Step 5: Solve for x
    x = 98,859,692.05/10,850.20
  6. Step 6: Final answer
    x = 9,111.33

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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.