Home / 10,590.87-14,624.70-6,618.75

Finding the Fourth Proportional to 10,590.87, 14,624.70 and 6,618.75

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Solution

The fourth proportional to 10,590.87, 14,624.70 and 6,618.75 is: 9,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.87 : 14,624.70 = 6,618.75 : x
  2. Step 2: Convert to fraction form
    10,590.87/14,624.70 = 6,618.75/x
  3. Step 3: Cross multiply
    10,590.87x = 14,624.70 × 6,618.75
  4. Step 4: Simplify right side
    10,590.87x = 96,797,233.13
  5. Step 5: Solve for x
    x = 96,797,233.13/10,590.87
  6. Step 6: Final answer
    x = 9,139.69

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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.