Home / 10,558.11-14,556.96-6,774.60

Finding the Fourth Proportional to 10,558.11, 14,556.96 and 6,774.60

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Solution

The fourth proportional to 10,558.11, 14,556.96 and 6,774.60 is: 9,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.11 : 14,556.96 = 6,774.60 : x
  2. Step 2: Convert to fraction form
    10,558.11/14,556.96 = 6,774.60/x
  3. Step 3: Cross multiply
    10,558.11x = 14,556.96 × 6,774.60
  4. Step 4: Simplify right side
    10,558.11x = 98,617,635.80
  5. Step 5: Solve for x
    x = 98,617,635.80/10,558.11
  6. Step 6: Final answer
    x = 9,340.46

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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.