Home / 8,385.75-12,566.83-6,623.01

Finding the Fourth Proportional to 8,385.75, 12,566.83 and 6,623.01

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Solution

The fourth proportional to 8,385.75, 12,566.83 and 6,623.01 is: 9,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.75 : 12,566.83 = 6,623.01 : x
  2. Step 2: Convert to fraction form
    8,385.75/12,566.83 = 6,623.01/x
  3. Step 3: Cross multiply
    8,385.75x = 12,566.83 × 6,623.01
  4. Step 4: Simplify right side
    8,385.75x = 83,230,144.81
  5. Step 5: Solve for x
    x = 83,230,144.81/8,385.75
  6. Step 6: Final answer
    x = 9,925.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.