Home / 7,426.32-10,248.48-4,069.20

Finding the Fourth Proportional to 7,426.32, 10,248.48 and 4,069.20

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Solution

The fourth proportional to 7,426.32, 10,248.48 and 4,069.20 is: 5,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.32 : 10,248.48 = 4,069.20 : x
  2. Step 2: Convert to fraction form
    7,426.32/10,248.48 = 4,069.20/x
  3. Step 3: Cross multiply
    7,426.32x = 10,248.48 × 4,069.20
  4. Step 4: Simplify right side
    7,426.32x = 41,703,114.82
  5. Step 5: Solve for x
    x = 41,703,114.82/7,426.32
  6. Step 6: Final answer
    x = 5,615.58

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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.