Home / 11,080.17-15,290.64-6,364.13

Finding the Fourth Proportional to 11,080.17, 15,290.64 and 6,364.13

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Solution

The fourth proportional to 11,080.17, 15,290.64 and 6,364.13 is: 8,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.17 : 15,290.64 = 6,364.13 : x
  2. Step 2: Convert to fraction form
    11,080.17/15,290.64 = 6,364.13/x
  3. Step 3: Cross multiply
    11,080.17x = 15,290.64 × 6,364.13
  4. Step 4: Simplify right side
    11,080.17x = 97,311,544.29
  5. Step 5: Solve for x
    x = 97,311,544.29/11,080.17
  6. Step 6: Final answer
    x = 8,782.50

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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.