Home / 10,968.28-15,135.06-6,492.22

Finding the Fourth Proportional to 10,968.28, 15,135.06 and 6,492.22

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Solution

The fourth proportional to 10,968.28, 15,135.06 and 6,492.22 is: 8,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.28 : 15,135.06 = 6,492.22 : x
  2. Step 2: Convert to fraction form
    10,968.28/15,135.06 = 6,492.22/x
  3. Step 3: Cross multiply
    10,968.28x = 15,135.06 × 6,492.22
  4. Step 4: Simplify right side
    10,968.28x = 98,260,139.23
  5. Step 5: Solve for x
    x = 98,260,139.23/10,968.28
  6. Step 6: Final answer
    x = 8,958.57

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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.