Home / 7,427.24-10,245.75-5,036.40

Finding the Fourth Proportional to 7,427.24, 10,245.75 and 5,036.40

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Solution

The fourth proportional to 7,427.24, 10,245.75 and 5,036.40 is: 6,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.24 : 10,245.75 = 5,036.40 : x
  2. Step 2: Convert to fraction form
    7,427.24/10,245.75 = 5,036.40/x
  3. Step 3: Cross multiply
    7,427.24x = 10,245.75 × 5,036.40
  4. Step 4: Simplify right side
    7,427.24x = 51,601,695.30
  5. Step 5: Solve for x
    x = 51,601,695.30/7,427.24
  6. Step 6: Final answer
    x = 6,947.63

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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.