Home / 11,990.53-16,547.59-6,685.34

Finding the Fourth Proportional to 11,990.53, 16,547.59 and 6,685.34

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Solution

The fourth proportional to 11,990.53, 16,547.59 and 6,685.34 is: 9,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.53 : 16,547.59 = 6,685.34 : x
  2. Step 2: Convert to fraction form
    11,990.53/16,547.59 = 6,685.34/x
  3. Step 3: Cross multiply
    11,990.53x = 16,547.59 × 6,685.34
  4. Step 4: Simplify right side
    11,990.53x = 110,626,190.95
  5. Step 5: Solve for x
    x = 110,626,190.95/11,990.53
  6. Step 6: Final answer
    x = 9,226.13

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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.