Home / 9,571.28-13,209.09-5,322.67

Finding the Fourth Proportional to 9,571.28, 13,209.09 and 5,322.67

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Solution

The fourth proportional to 9,571.28, 13,209.09 and 5,322.67 is: 7,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.28 : 13,209.09 = 5,322.67 : x
  2. Step 2: Convert to fraction form
    9,571.28/13,209.09 = 5,322.67/x
  3. Step 3: Cross multiply
    9,571.28x = 13,209.09 × 5,322.67
  4. Step 4: Simplify right side
    9,571.28x = 70,307,627.07
  5. Step 5: Solve for x
    x = 70,307,627.07/9,571.28
  6. Step 6: Final answer
    x = 7,345.69

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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.