Home / 9,537.21-13,161.33-5,345.46

Finding the Fourth Proportional to 9,537.21, 13,161.33 and 5,345.46

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Solution

The fourth proportional to 9,537.21, 13,161.33 and 5,345.46 is: 7,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,537.21 : 13,161.33 = 5,345.46 : x
  2. Step 2: Convert to fraction form
    9,537.21/13,161.33 = 5,345.46/x
  3. Step 3: Cross multiply
    9,537.21x = 13,161.33 × 5,345.46
  4. Step 4: Simplify right side
    9,537.21x = 70,353,363.06
  5. Step 5: Solve for x
    x = 70,353,363.06/9,537.21
  6. Step 6: Final answer
    x = 7,376.72

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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.