Home / 9,126.48-13,680.92-4,684.16

Finding the Fourth Proportional to 9,126.48, 13,680.92 and 4,684.16

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Solution

The fourth proportional to 9,126.48, 13,680.92 and 4,684.16 is: 7,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.48 : 13,680.92 = 4,684.16 : x
  2. Step 2: Convert to fraction form
    9,126.48/13,680.92 = 4,684.16/x
  3. Step 3: Cross multiply
    9,126.48x = 13,680.92 × 4,684.16
  4. Step 4: Simplify right side
    9,126.48x = 64,083,618.23
  5. Step 5: Solve for x
    x = 64,083,618.23/9,126.48
  6. Step 6: Final answer
    x = 7,021.72

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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.