Home / 10,968.16-15,134.88-6,492.10

Finding the Fourth Proportional to 10,968.16, 15,134.88 and 6,492.10

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Solution

The fourth proportional to 10,968.16, 15,134.88 and 6,492.10 is: 8,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.16 : 15,134.88 = 6,492.10 : x
  2. Step 2: Convert to fraction form
    10,968.16/15,134.88 = 6,492.10/x
  3. Step 3: Cross multiply
    10,968.16x = 15,134.88 × 6,492.10
  4. Step 4: Simplify right side
    10,968.16x = 98,257,154.45
  5. Step 5: Solve for x
    x = 98,257,154.45/10,968.16
  6. Step 6: Final answer
    x = 8,958.40

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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.