Home / 12,213.23-16,852.47-6,835.64

Finding the Fourth Proportional to 12,213.23, 16,852.47 and 6,835.64

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Solution

The fourth proportional to 12,213.23, 16,852.47 and 6,835.64 is: 9,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.23 : 16,852.47 = 6,835.64 : x
  2. Step 2: Convert to fraction form
    12,213.23/16,852.47 = 6,835.64/x
  3. Step 3: Cross multiply
    12,213.23x = 16,852.47 × 6,835.64
  4. Step 4: Simplify right side
    12,213.23x = 115,197,333.77
  5. Step 5: Solve for x
    x = 115,197,333.77/12,213.23
  6. Step 6: Final answer
    x = 9,432.18

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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.