Home / 8,590.19-12,887.37-2,666.93

Finding the Fourth Proportional to 8,590.19, 12,887.37 and 2,666.93

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Solution

The fourth proportional to 8,590.19, 12,887.37 and 2,666.93 is: 4,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.19 : 12,887.37 = 2,666.93 : x
  2. Step 2: Convert to fraction form
    8,590.19/12,887.37 = 2,666.93/x
  3. Step 3: Cross multiply
    8,590.19x = 12,887.37 × 2,666.93
  4. Step 4: Simplify right side
    8,590.19x = 34,369,713.67
  5. Step 5: Solve for x
    x = 34,369,713.67/8,590.19
  6. Step 6: Final answer
    x = 4,001.04

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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.