Home / 11,447.28-15,798.60-6,973.68

Finding the Fourth Proportional to 11,447.28, 15,798.60 and 6,973.68

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Solution

The fourth proportional to 11,447.28, 15,798.60 and 6,973.68 is: 9,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.28 : 15,798.60 = 6,973.68 : x
  2. Step 2: Convert to fraction form
    11,447.28/15,798.60 = 6,973.68/x
  3. Step 3: Cross multiply
    11,447.28x = 15,798.60 × 6,973.68
  4. Step 4: Simplify right side
    11,447.28x = 110,174,380.85
  5. Step 5: Solve for x
    x = 110,174,380.85/11,447.28
  6. Step 6: Final answer
    x = 9,624.50

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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.