Home / 9,220.26-12,720.14-5,864.92

Finding the Fourth Proportional to 9,220.26, 12,720.14 and 5,864.92

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Solution

The fourth proportional to 9,220.26, 12,720.14 and 5,864.92 is: 8,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.26 : 12,720.14 = 5,864.92 : x
  2. Step 2: Convert to fraction form
    9,220.26/12,720.14 = 5,864.92/x
  3. Step 3: Cross multiply
    9,220.26x = 12,720.14 × 5,864.92
  4. Step 4: Simplify right side
    9,220.26x = 74,602,582.24
  5. Step 5: Solve for x
    x = 74,602,582.24/9,220.26
  6. Step 6: Final answer
    x = 8,091.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.