Home / 10,149.80-14,017.71-6,971.46

Finding the Fourth Proportional to 10,149.80, 14,017.71 and 6,971.46

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Solution

The fourth proportional to 10,149.80, 14,017.71 and 6,971.46 is: 9,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.80 : 14,017.71 = 6,971.46 : x
  2. Step 2: Convert to fraction form
    10,149.80/14,017.71 = 6,971.46/x
  3. Step 3: Cross multiply
    10,149.80x = 14,017.71 × 6,971.46
  4. Step 4: Simplify right side
    10,149.80x = 97,723,904.56
  5. Step 5: Solve for x
    x = 97,723,904.56/10,149.80
  6. Step 6: Final answer
    x = 9,628.17

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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.