Home / 9,424.47-13,006.80-5,391.67

Finding the Fourth Proportional to 9,424.47, 13,006.80 and 5,391.67

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Solution

The fourth proportional to 9,424.47, 13,006.80 and 5,391.67 is: 7,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.47 : 13,006.80 = 5,391.67 : x
  2. Step 2: Convert to fraction form
    9,424.47/13,006.80 = 5,391.67/x
  3. Step 3: Cross multiply
    9,424.47x = 13,006.80 × 5,391.67
  4. Step 4: Simplify right side
    9,424.47x = 70,128,340.84
  5. Step 5: Solve for x
    x = 70,128,340.84/9,424.47
  6. Step 6: Final answer
    x = 7,441.09

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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.