Home / 8,058.13-11,117.52-4,872.40

Finding the Fourth Proportional to 8,058.13, 11,117.52 and 4,872.40

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Solution

The fourth proportional to 8,058.13, 11,117.52 and 4,872.40 is: 6,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.13 : 11,117.52 = 4,872.40 : x
  2. Step 2: Convert to fraction form
    8,058.13/11,117.52 = 4,872.40/x
  3. Step 3: Cross multiply
    8,058.13x = 11,117.52 × 4,872.40
  4. Step 4: Simplify right side
    8,058.13x = 54,169,004.45
  5. Step 5: Solve for x
    x = 54,169,004.45/8,058.13
  6. Step 6: Final answer
    x = 6,722.28

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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.