Home / 10,590.90-14,615.01-6,115.92

Finding the Fourth Proportional to 10,590.90, 14,615.01 and 6,115.92

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Solution

The fourth proportional to 10,590.90, 14,615.01 and 6,115.92 is: 8,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.90 : 14,615.01 = 6,115.92 : x
  2. Step 2: Convert to fraction form
    10,590.90/14,615.01 = 6,115.92/x
  3. Step 3: Cross multiply
    10,590.90x = 14,615.01 × 6,115.92
  4. Step 4: Simplify right side
    10,590.90x = 89,384,231.96
  5. Step 5: Solve for x
    x = 89,384,231.96/10,590.90
  6. Step 6: Final answer
    x = 8,439.72

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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.