Home / 9,981.06-14,971.58-3,406.70

Finding the Fourth Proportional to 9,981.06, 14,971.58 and 3,406.70

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Solution

The fourth proportional to 9,981.06, 14,971.58 and 3,406.70 is: 5,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.06 : 14,971.58 = 3,406.70 : x
  2. Step 2: Convert to fraction form
    9,981.06/14,971.58 = 3,406.70/x
  3. Step 3: Cross multiply
    9,981.06x = 14,971.58 × 3,406.70
  4. Step 4: Simplify right side
    9,981.06x = 51,003,681.59
  5. Step 5: Solve for x
    x = 51,003,681.59/9,981.06
  6. Step 6: Final answer
    x = 5,110.05

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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.