Home / 10,968.54-15,136.59-6,189.50

Finding the Fourth Proportional to 10,968.54, 15,136.59 and 6,189.50

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Solution

The fourth proportional to 10,968.54, 15,136.59 and 6,189.50 is: 8,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.54 : 15,136.59 = 6,189.50 : x
  2. Step 2: Convert to fraction form
    10,968.54/15,136.59 = 6,189.50/x
  3. Step 3: Cross multiply
    10,968.54x = 15,136.59 × 6,189.50
  4. Step 4: Simplify right side
    10,968.54x = 93,687,848.12
  5. Step 5: Solve for x
    x = 93,687,848.12/10,968.54
  6. Step 6: Final answer
    x = 8,541.51

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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.