Home / 11,192.31-15,440.21-6,708.28

Finding the Fourth Proportional to 11,192.31, 15,440.21 and 6,708.28

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Solution

The fourth proportional to 11,192.31, 15,440.21 and 6,708.28 is: 9,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.31 : 15,440.21 = 6,708.28 : x
  2. Step 2: Convert to fraction form
    11,192.31/15,440.21 = 6,708.28/x
  3. Step 3: Cross multiply
    11,192.31x = 15,440.21 × 6,708.28
  4. Step 4: Simplify right side
    11,192.31x = 103,577,209.34
  5. Step 5: Solve for x
    x = 103,577,209.34/11,192.31
  6. Step 6: Final answer
    x = 9,254.32

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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.