Home / 11,091.04-15,306.56-6,376.84

Finding the Fourth Proportional to 11,091.04, 15,306.56 and 6,376.84

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Solution

The fourth proportional to 11,091.04, 15,306.56 and 6,376.84 is: 8,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.04 : 15,306.56 = 6,376.84 : x
  2. Step 2: Convert to fraction form
    11,091.04/15,306.56 = 6,376.84/x
  3. Step 3: Cross multiply
    11,091.04x = 15,306.56 × 6,376.84
  4. Step 4: Simplify right side
    11,091.04x = 97,607,484.07
  5. Step 5: Solve for x
    x = 97,607,484.07/11,091.04
  6. Step 6: Final answer
    x = 8,800.57

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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.