Home / 9,943.40-13,722.60-6,580.34

Finding the Fourth Proportional to 9,943.40, 13,722.60 and 6,580.34

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Solution

The fourth proportional to 9,943.40, 13,722.60 and 6,580.34 is: 9,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.40 : 13,722.60 = 6,580.34 : x
  2. Step 2: Convert to fraction form
    9,943.40/13,722.60 = 6,580.34/x
  3. Step 3: Cross multiply
    9,943.40x = 13,722.60 × 6,580.34
  4. Step 4: Simplify right side
    9,943.40x = 90,299,373.68
  5. Step 5: Solve for x
    x = 90,299,373.68/9,943.40
  6. Step 6: Final answer
    x = 9,081.34

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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.