Home / 8,488.22-11,713.86-4,711.55

Finding the Fourth Proportional to 8,488.22, 11,713.86 and 4,711.55

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Solution

The fourth proportional to 8,488.22, 11,713.86 and 4,711.55 is: 6,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.22 : 11,713.86 = 4,711.55 : x
  2. Step 2: Convert to fraction form
    8,488.22/11,713.86 = 4,711.55/x
  3. Step 3: Cross multiply
    8,488.22x = 11,713.86 × 4,711.55
  4. Step 4: Simplify right side
    8,488.22x = 55,190,378.51
  5. Step 5: Solve for x
    x = 55,190,378.51/8,488.22
  6. Step 6: Final answer
    x = 6,502.00

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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.