Home / 9,441.24-13,032.48-8,109.60

Finding the Fourth Proportional to 9,441.24, 13,032.48 and 8,109.60

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Solution

The fourth proportional to 9,441.24, 13,032.48 and 8,109.60 is: 11,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.24 : 13,032.48 = 8,109.60 : x
  2. Step 2: Convert to fraction form
    9,441.24/13,032.48 = 8,109.60/x
  3. Step 3: Cross multiply
    9,441.24x = 13,032.48 × 8,109.60
  4. Step 4: Simplify right side
    9,441.24x = 105,688,199.81
  5. Step 5: Solve for x
    x = 105,688,199.81/9,441.24
  6. Step 6: Final answer
    x = 11,194.31

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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.