Home / 9,881.04-13,635.64-5,404.74

Finding the Fourth Proportional to 9,881.04, 13,635.64 and 5,404.74

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Solution

The fourth proportional to 9,881.04, 13,635.64 and 5,404.74 is: 7,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.04 : 13,635.64 = 5,404.74 : x
  2. Step 2: Convert to fraction form
    9,881.04/13,635.64 = 5,404.74/x
  3. Step 3: Cross multiply
    9,881.04x = 13,635.64 × 5,404.74
  4. Step 4: Simplify right side
    9,881.04x = 73,697,088.93
  5. Step 5: Solve for x
    x = 73,697,088.93/9,881.04
  6. Step 6: Final answer
    x = 7,458.43

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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.