Home / 11,373.22-15,696.26-6,661.45

Finding the Fourth Proportional to 11,373.22, 15,696.26 and 6,661.45

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Solution

The fourth proportional to 11,373.22, 15,696.26 and 6,661.45 is: 9,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.22 : 15,696.26 = 6,661.45 : x
  2. Step 2: Convert to fraction form
    11,373.22/15,696.26 = 6,661.45/x
  3. Step 3: Cross multiply
    11,373.22x = 15,696.26 × 6,661.45
  4. Step 4: Simplify right side
    11,373.22x = 104,559,851.18
  5. Step 5: Solve for x
    x = 104,559,851.18/11,373.22
  6. Step 6: Final answer
    x = 9,193.51

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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.