Home / 10,135.01-13,969.56-6,776.58

Finding the Fourth Proportional to 10,135.01, 13,969.56 and 6,776.58

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Solution

The fourth proportional to 10,135.01, 13,969.56 and 6,776.58 is: 9,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.01 : 13,969.56 = 6,776.58 : x
  2. Step 2: Convert to fraction form
    10,135.01/13,969.56 = 6,776.58/x
  3. Step 3: Cross multiply
    10,135.01x = 13,969.56 × 6,776.58
  4. Step 4: Simplify right side
    10,135.01x = 94,665,840.90
  5. Step 5: Solve for x
    x = 94,665,840.90/10,135.01
  6. Step 6: Final answer
    x = 9,340.48

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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.