Home / 10,063.80-13,894.56-6,480.36

Finding the Fourth Proportional to 10,063.80, 13,894.56 and 6,480.36

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Solution

The fourth proportional to 10,063.80, 13,894.56 and 6,480.36 is: 8,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,063.80 : 13,894.56 = 6,480.36 : x
  2. Step 2: Convert to fraction form
    10,063.80/13,894.56 = 6,480.36/x
  3. Step 3: Cross multiply
    10,063.80x = 13,894.56 × 6,480.36
  4. Step 4: Simplify right side
    10,063.80x = 90,041,750.84
  5. Step 5: Solve for x
    x = 90,041,750.84/10,063.80
  6. Step 6: Final answer
    x = 8,947.09

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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.