Home / 7,347.51-11,017.17-2,415.78

Finding the Fourth Proportional to 7,347.51, 11,017.17 and 2,415.78

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Solution

The fourth proportional to 7,347.51, 11,017.17 and 2,415.78 is: 3,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.51 : 11,017.17 = 2,415.78 : x
  2. Step 2: Convert to fraction form
    7,347.51/11,017.17 = 2,415.78/x
  3. Step 3: Cross multiply
    7,347.51x = 11,017.17 × 2,415.78
  4. Step 4: Simplify right side
    7,347.51x = 26,615,058.94
  5. Step 5: Solve for x
    x = 26,615,058.94/7,347.51
  6. Step 6: Final answer
    x = 3,622.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.