Home / 7,415.00-10,232.53-4,228.07

Finding the Fourth Proportional to 7,415.00, 10,232.53 and 4,228.07

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Solution

The fourth proportional to 7,415.00, 10,232.53 and 4,228.07 is: 5,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.00 : 10,232.53 = 4,228.07 : x
  2. Step 2: Convert to fraction form
    7,415.00/10,232.53 = 4,228.07/x
  3. Step 3: Cross multiply
    7,415.00x = 10,232.53 × 4,228.07
  4. Step 4: Simplify right side
    7,415.00x = 43,263,868.13
  5. Step 5: Solve for x
    x = 43,263,868.13/7,415.00
  6. Step 6: Final answer
    x = 5,834.65

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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.