Home / 9,355.64-14,033.45-2,781.81

Finding the Fourth Proportional to 9,355.64, 14,033.45 and 2,781.81

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Solution

The fourth proportional to 9,355.64, 14,033.45 and 2,781.81 is: 4,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.64 : 14,033.45 = 2,781.81 : x
  2. Step 2: Convert to fraction form
    9,355.64/14,033.45 = 2,781.81/x
  3. Step 3: Cross multiply
    9,355.64x = 14,033.45 × 2,781.81
  4. Step 4: Simplify right side
    9,355.64x = 39,038,398.50
  5. Step 5: Solve for x
    x = 39,038,398.50/9,355.64
  6. Step 6: Final answer
    x = 4,172.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.