Home / 10,969.36-15,135.60-6,253.52

Finding the Fourth Proportional to 10,969.36, 15,135.60 and 6,253.52

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Solution

The fourth proportional to 10,969.36, 15,135.60 and 6,253.52 is: 8,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.36 : 15,135.60 = 6,253.52 : x
  2. Step 2: Convert to fraction form
    10,969.36/15,135.60 = 6,253.52/x
  3. Step 3: Cross multiply
    10,969.36x = 15,135.60 × 6,253.52
  4. Step 4: Simplify right side
    10,969.36x = 94,650,777.31
  5. Step 5: Solve for x
    x = 94,650,777.31/10,969.36
  6. Step 6: Final answer
    x = 8,628.65

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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.