Home / 10,609.93-15,915.57-3,590.65

Finding the Fourth Proportional to 10,609.93, 15,915.57 and 3,590.65

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Solution

The fourth proportional to 10,609.93, 15,915.57 and 3,590.65 is: 5,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.93 : 15,915.57 = 3,590.65 : x
  2. Step 2: Convert to fraction form
    10,609.93/15,915.57 = 3,590.65/x
  3. Step 3: Cross multiply
    10,609.93x = 15,915.57 × 3,590.65
  4. Step 4: Simplify right side
    10,609.93x = 57,147,241.42
  5. Step 5: Solve for x
    x = 57,147,241.42/10,609.93
  6. Step 6: Final answer
    x = 5,386.20

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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.