Home / 7,347.16-10,139.24-4,203.36

Finding the Fourth Proportional to 7,347.16, 10,139.24 and 4,203.36

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Solution

The fourth proportional to 7,347.16, 10,139.24 and 4,203.36 is: 5,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.16 : 10,139.24 = 4,203.36 : x
  2. Step 2: Convert to fraction form
    7,347.16/10,139.24 = 4,203.36/x
  3. Step 3: Cross multiply
    7,347.16x = 10,139.24 × 4,203.36
  4. Step 4: Simplify right side
    7,347.16x = 42,618,875.85
  5. Step 5: Solve for x
    x = 42,618,875.85/7,347.16
  6. Step 6: Final answer
    x = 5,800.73

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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.