Home / 8,263.42-11,397.75-5,117.74

Finding the Fourth Proportional to 8,263.42, 11,397.75 and 5,117.74

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Solution

The fourth proportional to 8,263.42, 11,397.75 and 5,117.74 is: 7,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.42 : 11,397.75 = 5,117.74 : x
  2. Step 2: Convert to fraction form
    8,263.42/11,397.75 = 5,117.74/x
  3. Step 3: Cross multiply
    8,263.42x = 11,397.75 × 5,117.74
  4. Step 4: Simplify right side
    8,263.42x = 58,330,721.09
  5. Step 5: Solve for x
    x = 58,330,721.09/8,263.42
  6. Step 6: Final answer
    x = 7,058.91

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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.