Home / 12,038.56-16,588.80-9,333.52

Finding the Fourth Proportional to 12,038.56, 16,588.80 and 9,333.52

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Solution

The fourth proportional to 12,038.56, 16,588.80 and 9,333.52 is: 12,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.56 : 16,588.80 = 9,333.52 : x
  2. Step 2: Convert to fraction form
    12,038.56/16,588.80 = 9,333.52/x
  3. Step 3: Cross multiply
    12,038.56x = 16,588.80 × 9,333.52
  4. Step 4: Simplify right side
    12,038.56x = 154,831,896.58
  5. Step 5: Solve for x
    x = 154,831,896.58/12,038.56
  6. Step 6: Final answer
    x = 12,861.33

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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.