Home / 11,335.16-15,645.60-7,356.03

Finding the Fourth Proportional to 11,335.16, 15,645.60 and 7,356.03

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Solution

The fourth proportional to 11,335.16, 15,645.60 and 7,356.03 is: 10,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.16 : 15,645.60 = 7,356.03 : x
  2. Step 2: Convert to fraction form
    11,335.16/15,645.60 = 7,356.03/x
  3. Step 3: Cross multiply
    11,335.16x = 15,645.60 × 7,356.03
  4. Step 4: Simplify right side
    11,335.16x = 115,089,502.97
  5. Step 5: Solve for x
    x = 115,089,502.97/11,335.16
  6. Step 6: Final answer
    x = 10,153.32

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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.