Home / 12,130.56-16,737.66-7,093.80

Finding the Fourth Proportional to 12,130.56, 16,737.66 and 7,093.80

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Solution

The fourth proportional to 12,130.56, 16,737.66 and 7,093.80 is: 9,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.56 : 16,737.66 = 7,093.80 : x
  2. Step 2: Convert to fraction form
    12,130.56/16,737.66 = 7,093.80/x
  3. Step 3: Cross multiply
    12,130.56x = 16,737.66 × 7,093.80
  4. Step 4: Simplify right side
    12,130.56x = 118,733,612.51
  5. Step 5: Solve for x
    x = 118,733,612.51/12,130.56
  6. Step 6: Final answer
    x = 9,787.97

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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.