Home / 8,460.89-11,675.87-4,684.06

Finding the Fourth Proportional to 8,460.89, 11,675.87 and 4,684.06

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Solution

The fourth proportional to 8,460.89, 11,675.87 and 4,684.06 is: 6,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.89 : 11,675.87 = 4,684.06 : x
  2. Step 2: Convert to fraction form
    8,460.89/11,675.87 = 4,684.06/x
  3. Step 3: Cross multiply
    8,460.89x = 11,675.87 × 4,684.06
  4. Step 4: Simplify right side
    8,460.89x = 54,690,423.02
  5. Step 5: Solve for x
    x = 54,690,423.02/8,460.89
  6. Step 6: Final answer
    x = 6,463.91

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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.