Home / 10,074.87-13,905.12-7,535.37

Finding the Fourth Proportional to 10,074.87, 13,905.12 and 7,535.37

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Solution

The fourth proportional to 10,074.87, 13,905.12 and 7,535.37 is: 10,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.87 : 13,905.12 = 7,535.37 : x
  2. Step 2: Convert to fraction form
    10,074.87/13,905.12 = 7,535.37/x
  3. Step 3: Cross multiply
    10,074.87x = 13,905.12 × 7,535.37
  4. Step 4: Simplify right side
    10,074.87x = 104,780,224.09
  5. Step 5: Solve for x
    x = 104,780,224.09/10,074.87
  6. Step 6: Final answer
    x = 10,400.16

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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.