Home / 10,590.21-15,872.85-4,347.14

Finding the Fourth Proportional to 10,590.21, 15,872.85 and 4,347.14

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Solution

The fourth proportional to 10,590.21, 15,872.85 and 4,347.14 is: 6,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.21 : 15,872.85 = 4,347.14 : x
  2. Step 2: Convert to fraction form
    10,590.21/15,872.85 = 4,347.14/x
  3. Step 3: Cross multiply
    10,590.21x = 15,872.85 × 4,347.14
  4. Step 4: Simplify right side
    10,590.21x = 69,001,421.78
  5. Step 5: Solve for x
    x = 69,001,421.78/10,590.21
  6. Step 6: Final answer
    x = 6,515.59

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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.