Home / 11,348.72-15,661.36-6,313.04

Finding the Fourth Proportional to 11,348.72, 15,661.36 and 6,313.04

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Solution

The fourth proportional to 11,348.72, 15,661.36 and 6,313.04 is: 8,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.72 : 15,661.36 = 6,313.04 : x
  2. Step 2: Convert to fraction form
    11,348.72/15,661.36 = 6,313.04/x
  3. Step 3: Cross multiply
    11,348.72x = 15,661.36 × 6,313.04
  4. Step 4: Simplify right side
    11,348.72x = 98,870,792.13
  5. Step 5: Solve for x
    x = 98,870,792.13/11,348.72
  6. Step 6: Final answer
    x = 8,712.07

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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.