Home / 9,172.01-12,663.27-6,305.51

Finding the Fourth Proportional to 9,172.01, 12,663.27 and 6,305.51

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Solution

The fourth proportional to 9,172.01, 12,663.27 and 6,305.51 is: 8,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.01 : 12,663.27 = 6,305.51 : x
  2. Step 2: Convert to fraction form
    9,172.01/12,663.27 = 6,305.51/x
  3. Step 3: Cross multiply
    9,172.01x = 12,663.27 × 6,305.51
  4. Step 4: Simplify right side
    9,172.01x = 79,848,407.28
  5. Step 5: Solve for x
    x = 79,848,407.28/9,172.01
  6. Step 6: Final answer
    x = 8,705.66

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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.