Home / 11,346.23-15,655.50-6,629.60

Finding the Fourth Proportional to 11,346.23, 15,655.50 and 6,629.60

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Solution

The fourth proportional to 11,346.23, 15,655.50 and 6,629.60 is: 9,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.23 : 15,655.50 = 6,629.60 : x
  2. Step 2: Convert to fraction form
    11,346.23/15,655.50 = 6,629.60/x
  3. Step 3: Cross multiply
    11,346.23x = 15,655.50 × 6,629.60
  4. Step 4: Simplify right side
    11,346.23x = 103,789,624.52
  5. Step 5: Solve for x
    x = 103,789,624.52/11,346.23
  6. Step 6: Final answer
    x = 9,147.50

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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.