Home / 11,080.22-15,291.06-6,364.40

Finding the Fourth Proportional to 11,080.22, 15,291.06 and 6,364.40

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Solution

The fourth proportional to 11,080.22, 15,291.06 and 6,364.40 is: 8,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.22 : 15,291.06 = 6,364.40 : x
  2. Step 2: Convert to fraction form
    11,080.22/15,291.06 = 6,364.40/x
  3. Step 3: Cross multiply
    11,080.22x = 15,291.06 × 6,364.40
  4. Step 4: Simplify right side
    11,080.22x = 97,318,422.26
  5. Step 5: Solve for x
    x = 97,318,422.26/11,080.22
  6. Step 6: Final answer
    x = 8,783.08

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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.