Home / 8,585.08-11,847.66-4,859

Finding the Fourth Proportional to 8,585.08, 11,847.66 and 4,859

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Solution

The fourth proportional to 8,585.08, 11,847.66 and 4,859 is: 6,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.08 : 11,847.66 = 4,859 : x
  2. Step 2: Convert to fraction form
    8,585.08/11,847.66 = 4,859/x
  3. Step 3: Cross multiply
    8,585.08x = 11,847.66 × 4,859
  4. Step 4: Simplify right side
    8,585.08x = 57,567,779.94
  5. Step 5: Solve for x
    x = 57,567,779.94/8,585.08
  6. Step 6: Final answer
    x = 6,705.56

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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.