Home / 10,590.99-15,885.80-4,349.39

Finding the Fourth Proportional to 10,590.99, 15,885.80 and 4,349.39

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Solution

The fourth proportional to 10,590.99, 15,885.80 and 4,349.39 is: 6,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.99 : 15,885.80 = 4,349.39 : x
  2. Step 2: Convert to fraction form
    10,590.99/15,885.80 = 4,349.39/x
  3. Step 3: Cross multiply
    10,590.99x = 15,885.80 × 4,349.39
  4. Step 4: Simplify right side
    10,590.99x = 69,093,438.49
  5. Step 5: Solve for x
    x = 69,093,438.49/10,590.99
  6. Step 6: Final answer
    x = 6,523.79

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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.