Home / 11,370.08-15,690.74-6,590.95

Finding the Fourth Proportional to 11,370.08, 15,690.74 and 6,590.95

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Solution

The fourth proportional to 11,370.08, 15,690.74 and 6,590.95 is: 9,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.08 : 15,690.74 = 6,590.95 : x
  2. Step 2: Convert to fraction form
    11,370.08/15,690.74 = 6,590.95/x
  3. Step 3: Cross multiply
    11,370.08x = 15,690.74 × 6,590.95
  4. Step 4: Simplify right side
    11,370.08x = 103,416,882.80
  5. Step 5: Solve for x
    x = 103,416,882.80/11,370.08
  6. Step 6: Final answer
    x = 9,095.53

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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.