Home / 9,051.24-12,490.92-5,072.16

Finding the Fourth Proportional to 9,051.24, 12,490.92 and 5,072.16

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Solution

The fourth proportional to 9,051.24, 12,490.92 and 5,072.16 is: 6,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.24 : 12,490.92 = 5,072.16 : x
  2. Step 2: Convert to fraction form
    9,051.24/12,490.92 = 5,072.16/x
  3. Step 3: Cross multiply
    9,051.24x = 12,490.92 × 5,072.16
  4. Step 4: Simplify right side
    9,051.24x = 63,355,944.79
  5. Step 5: Solve for x
    x = 63,355,944.79/9,051.24
  6. Step 6: Final answer
    x = 6,999.70

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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.