Home / 11,085.45-15,293.98-6,366.99

Finding the Fourth Proportional to 11,085.45, 15,293.98 and 6,366.99

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Solution

The fourth proportional to 11,085.45, 15,293.98 and 6,366.99 is: 8,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.45 : 15,293.98 = 6,366.99 : x
  2. Step 2: Convert to fraction form
    11,085.45/15,293.98 = 6,366.99/x
  3. Step 3: Cross multiply
    11,085.45x = 15,293.98 × 6,366.99
  4. Step 4: Simplify right side
    11,085.45x = 97,376,617.72
  5. Step 5: Solve for x
    x = 97,376,617.72/11,085.45
  6. Step 6: Final answer
    x = 8,784.18

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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.