Home / 12,051.15-16,628.20-7,572.30

Finding the Fourth Proportional to 12,051.15, 16,628.20 and 7,572.30

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Solution

The fourth proportional to 12,051.15, 16,628.20 and 7,572.30 is: 10,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.15 : 16,628.20 = 7,572.30 : x
  2. Step 2: Convert to fraction form
    12,051.15/16,628.20 = 7,572.30/x
  3. Step 3: Cross multiply
    12,051.15x = 16,628.20 × 7,572.30
  4. Step 4: Simplify right side
    12,051.15x = 125,913,773.70
  5. Step 5: Solve for x
    x = 125,913,773.70/12,051.15
  6. Step 6: Final answer
    x = 10,448.28

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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.