Home / 11,276.16-15,561.12-6,308.16

Finding the Fourth Proportional to 11,276.16, 15,561.12 and 6,308.16

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Solution

The fourth proportional to 11,276.16, 15,561.12 and 6,308.16 is: 8,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.16 : 15,561.12 = 6,308.16 : x
  2. Step 2: Convert to fraction form
    11,276.16/15,561.12 = 6,308.16/x
  3. Step 3: Cross multiply
    11,276.16x = 15,561.12 × 6,308.16
  4. Step 4: Simplify right side
    11,276.16x = 98,162,034.74
  5. Step 5: Solve for x
    x = 98,162,034.74/11,276.16
  6. Step 6: Final answer
    x = 8,705.27

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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.