Home / 9,722.43-13,402.65-6,881.01

Finding the Fourth Proportional to 9,722.43, 13,402.65 and 6,881.01

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Solution

The fourth proportional to 9,722.43, 13,402.65 and 6,881.01 is: 9,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.43 : 13,402.65 = 6,881.01 : x
  2. Step 2: Convert to fraction form
    9,722.43/13,402.65 = 6,881.01/x
  3. Step 3: Cross multiply
    9,722.43x = 13,402.65 × 6,881.01
  4. Step 4: Simplify right side
    9,722.43x = 92,223,768.68
  5. Step 5: Solve for x
    x = 92,223,768.68/9,722.43
  6. Step 6: Final answer
    x = 9,485.67

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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.