Home / 10,981.46-15,155.28-6,266.06

Finding the Fourth Proportional to 10,981.46, 15,155.28 and 6,266.06

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Solution

The fourth proportional to 10,981.46, 15,155.28 and 6,266.06 is: 8,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.46 : 15,155.28 = 6,266.06 : x
  2. Step 2: Convert to fraction form
    10,981.46/15,155.28 = 6,266.06/x
  3. Step 3: Cross multiply
    10,981.46x = 15,155.28 × 6,266.06
  4. Step 4: Simplify right side
    10,981.46x = 94,963,893.80
  5. Step 5: Solve for x
    x = 94,963,893.80/10,981.46
  6. Step 6: Final answer
    x = 8,647.66

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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.