Home / 11,020.24-15,210.44-6,307.12

Finding the Fourth Proportional to 11,020.24, 15,210.44 and 6,307.12

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Solution

The fourth proportional to 11,020.24, 15,210.44 and 6,307.12 is: 8,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.24 : 15,210.44 = 6,307.12 : x
  2. Step 2: Convert to fraction form
    11,020.24/15,210.44 = 6,307.12/x
  3. Step 3: Cross multiply
    11,020.24x = 15,210.44 × 6,307.12
  4. Step 4: Simplify right side
    11,020.24x = 95,934,070.33
  5. Step 5: Solve for x
    x = 95,934,070.33/11,020.24
  6. Step 6: Final answer
    x = 8,705.26

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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.