Home / 10,152.80-14,021.86-6,974.46

Finding the Fourth Proportional to 10,152.80, 14,021.86 and 6,974.46

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Solution

The fourth proportional to 10,152.80, 14,021.86 and 6,974.46 is: 9,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.80 : 14,021.86 = 6,974.46 : x
  2. Step 2: Convert to fraction form
    10,152.80/14,021.86 = 6,974.46/x
  3. Step 3: Cross multiply
    10,152.80x = 14,021.86 × 6,974.46
  4. Step 4: Simplify right side
    10,152.80x = 97,794,901.70
  5. Step 5: Solve for x
    x = 97,794,901.70/10,152.80
  6. Step 6: Final answer
    x = 9,632.31

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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.