Home / 7,347.24-10,139.58-4,203.96

Finding the Fourth Proportional to 7,347.24, 10,139.58 and 4,203.96

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Solution

The fourth proportional to 7,347.24, 10,139.58 and 4,203.96 is: 5,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.24 : 10,139.58 = 4,203.96 : x
  2. Step 2: Convert to fraction form
    7,347.24/10,139.58 = 4,203.96/x
  3. Step 3: Cross multiply
    7,347.24x = 10,139.58 × 4,203.96
  4. Step 4: Simplify right side
    7,347.24x = 42,626,388.74
  5. Step 5: Solve for x
    x = 42,626,388.74/7,347.24
  6. Step 6: Final answer
    x = 5,801.69

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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.