Home / 11,786.16-16,263.27-9,402.06

Finding the Fourth Proportional to 11,786.16, 16,263.27 and 9,402.06

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Solution

The fourth proportional to 11,786.16, 16,263.27 and 9,402.06 is: 12,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.16 : 16,263.27 = 9,402.06 : x
  2. Step 2: Convert to fraction form
    11,786.16/16,263.27 = 9,402.06/x
  3. Step 3: Cross multiply
    11,786.16x = 16,263.27 × 9,402.06
  4. Step 4: Simplify right side
    11,786.16x = 152,908,240.34
  5. Step 5: Solve for x
    x = 152,908,240.34/11,786.16
  6. Step 6: Final answer
    x = 12,973.54

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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.