Home / 9,881.19-13,636.08-5,404.93

Finding the Fourth Proportional to 9,881.19, 13,636.08 and 5,404.93

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Solution

The fourth proportional to 9,881.19, 13,636.08 and 5,404.93 is: 7,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.19 : 13,636.08 = 5,404.93 : x
  2. Step 2: Convert to fraction form
    9,881.19/13,636.08 = 5,404.93/x
  3. Step 3: Cross multiply
    9,881.19x = 13,636.08 × 5,404.93
  4. Step 4: Simplify right side
    9,881.19x = 73,702,023.78
  5. Step 5: Solve for x
    x = 73,702,023.78/9,881.19
  6. Step 6: Final answer
    x = 7,458.82

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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.