Home / 9,086.76-12,547.26-5,735.16

Finding the Fourth Proportional to 9,086.76, 12,547.26 and 5,735.16

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Solution

The fourth proportional to 9,086.76, 12,547.26 and 5,735.16 is: 7,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.76 : 12,547.26 = 5,735.16 : x
  2. Step 2: Convert to fraction form
    9,086.76/12,547.26 = 5,735.16/x
  3. Step 3: Cross multiply
    9,086.76x = 12,547.26 × 5,735.16
  4. Step 4: Simplify right side
    9,086.76x = 71,960,543.66
  5. Step 5: Solve for x
    x = 71,960,543.66/9,086.76
  6. Step 6: Final answer
    x = 7,919.27

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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.