Home / 11,121.18-15,347.62-6,085.08

Finding the Fourth Proportional to 11,121.18, 15,347.62 and 6,085.08

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Solution

The fourth proportional to 11,121.18, 15,347.62 and 6,085.08 is: 8,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.18 : 15,347.62 = 6,085.08 : x
  2. Step 2: Convert to fraction form
    11,121.18/15,347.62 = 6,085.08/x
  3. Step 3: Cross multiply
    11,121.18x = 15,347.62 × 6,085.08
  4. Step 4: Simplify right side
    11,121.18x = 93,391,495.51
  5. Step 5: Solve for x
    x = 93,391,495.51/11,121.18
  6. Step 6: Final answer
    x = 8,397.62

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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.