Home / 9,445.78-13,035.33-5,197.18

Finding the Fourth Proportional to 9,445.78, 13,035.33 and 5,197.18

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Solution

The fourth proportional to 9,445.78, 13,035.33 and 5,197.18 is: 7,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.78 : 13,035.33 = 5,197.18 : x
  2. Step 2: Convert to fraction form
    9,445.78/13,035.33 = 5,197.18/x
  3. Step 3: Cross multiply
    9,445.78x = 13,035.33 × 5,197.18
  4. Step 4: Simplify right side
    9,445.78x = 67,746,956.37
  5. Step 5: Solve for x
    x = 67,746,956.37/9,445.78
  6. Step 6: Final answer
    x = 7,172.19

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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.