Home / 8,981.16-12,395.46-6,852.66

Finding the Fourth Proportional to 8,981.16, 12,395.46 and 6,852.66

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Solution

The fourth proportional to 8,981.16, 12,395.46 and 6,852.66 is: 9,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.16 : 12,395.46 = 6,852.66 : x
  2. Step 2: Convert to fraction form
    8,981.16/12,395.46 = 6,852.66/x
  3. Step 3: Cross multiply
    8,981.16x = 12,395.46 × 6,852.66
  4. Step 4: Simplify right side
    8,981.16x = 84,941,810.95
  5. Step 5: Solve for x
    x = 84,941,810.95/8,981.16
  6. Step 6: Final answer
    x = 9,457.78

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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.