Home / 7,590.20-11,386.67-3,432.16

Finding the Fourth Proportional to 7,590.20, 11,386.67 and 3,432.16

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Solution

The fourth proportional to 7,590.20, 11,386.67 and 3,432.16 is: 5,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.20 : 11,386.67 = 3,432.16 : x
  2. Step 2: Convert to fraction form
    7,590.20/11,386.67 = 3,432.16/x
  3. Step 3: Cross multiply
    7,590.20x = 11,386.67 × 3,432.16
  4. Step 4: Simplify right side
    7,590.20x = 39,080,870.38
  5. Step 5: Solve for x
    x = 39,080,870.38/7,590.20
  6. Step 6: Final answer
    x = 5,148.86

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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.