Home / 8,210.60-11,331.14-4,674.12

Finding the Fourth Proportional to 8,210.60, 11,331.14 and 4,674.12

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Solution

The fourth proportional to 8,210.60, 11,331.14 and 4,674.12 is: 6,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.60 : 11,331.14 = 4,674.12 : x
  2. Step 2: Convert to fraction form
    8,210.60/11,331.14 = 4,674.12/x
  3. Step 3: Cross multiply
    8,210.60x = 11,331.14 × 4,674.12
  4. Step 4: Simplify right side
    8,210.60x = 52,963,108.10
  5. Step 5: Solve for x
    x = 52,963,108.10/8,210.60
  6. Step 6: Final answer
    x = 6,450.58

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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.