Home / 10,981.92-15,154.72-6,266.08

Finding the Fourth Proportional to 10,981.92, 15,154.72 and 6,266.08

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Solution

The fourth proportional to 10,981.92, 15,154.72 and 6,266.08 is: 8,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.92 : 15,154.72 = 6,266.08 : x
  2. Step 2: Convert to fraction form
    10,981.92/15,154.72 = 6,266.08/x
  3. Step 3: Cross multiply
    10,981.92x = 15,154.72 × 6,266.08
  4. Step 4: Simplify right side
    10,981.92x = 94,960,687.90
  5. Step 5: Solve for x
    x = 94,960,687.90/10,981.92
  6. Step 6: Final answer
    x = 8,647.00

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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.