Home / 10,901.87-15,047.48-6,713.63

Finding the Fourth Proportional to 10,901.87, 15,047.48 and 6,713.63

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Solution

The fourth proportional to 10,901.87, 15,047.48 and 6,713.63 is: 9,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.87 : 15,047.48 = 6,713.63 : x
  2. Step 2: Convert to fraction form
    10,901.87/15,047.48 = 6,713.63/x
  3. Step 3: Cross multiply
    10,901.87x = 15,047.48 × 6,713.63
  4. Step 4: Simplify right side
    10,901.87x = 101,023,179.58
  5. Step 5: Solve for x
    x = 101,023,179.58/10,901.87
  6. Step 6: Final answer
    x = 9,266.59

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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.