Home / 8,809.19-12,156.71-4,776.03

Finding the Fourth Proportional to 8,809.19, 12,156.71 and 4,776.03

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Solution

The fourth proportional to 8,809.19, 12,156.71 and 4,776.03 is: 6,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.19 : 12,156.71 = 4,776.03 : x
  2. Step 2: Convert to fraction form
    8,809.19/12,156.71 = 4,776.03/x
  3. Step 3: Cross multiply
    8,809.19x = 12,156.71 × 4,776.03
  4. Step 4: Simplify right side
    8,809.19x = 58,060,811.66
  5. Step 5: Solve for x
    x = 58,060,811.66/8,809.19
  6. Step 6: Final answer
    x = 6,590.94

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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.