Home / 7,823.46-11,725.35-5,590.68

Finding the Fourth Proportional to 7,823.46, 11,725.35 and 5,590.68

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Solution

The fourth proportional to 7,823.46, 11,725.35 and 5,590.68 is: 8,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.46 : 11,725.35 = 5,590.68 : x
  2. Step 2: Convert to fraction form
    7,823.46/11,725.35 = 5,590.68/x
  3. Step 3: Cross multiply
    7,823.46x = 11,725.35 × 5,590.68
  4. Step 4: Simplify right side
    7,823.46x = 65,552,679.74
  5. Step 5: Solve for x
    x = 65,552,679.74/7,823.46
  6. Step 6: Final answer
    x = 8,378.99

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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.