Home / 12,006.52-16,569.93-6,630.01

Finding the Fourth Proportional to 12,006.52, 16,569.93 and 6,630.01

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Solution

The fourth proportional to 12,006.52, 16,569.93 and 6,630.01 is: 9,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.52 : 16,569.93 = 6,630.01 : x
  2. Step 2: Convert to fraction form
    12,006.52/16,569.93 = 6,630.01/x
  3. Step 3: Cross multiply
    12,006.52x = 16,569.93 × 6,630.01
  4. Step 4: Simplify right side
    12,006.52x = 109,858,801.60
  5. Step 5: Solve for x
    x = 109,858,801.60/12,006.52
  6. Step 6: Final answer
    x = 9,149.93

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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.