Home / 10,077.23-15,047.91-8,231.93

Finding the Fourth Proportional to 10,077.23, 15,047.91 and 8,231.93

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Solution

The fourth proportional to 10,077.23, 15,047.91 and 8,231.93 is: 12,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.23 : 15,047.91 = 8,231.93 : x
  2. Step 2: Convert to fraction form
    10,077.23/15,047.91 = 8,231.93/x
  3. Step 3: Cross multiply
    10,077.23x = 15,047.91 × 8,231.93
  4. Step 4: Simplify right side
    10,077.23x = 123,873,341.77
  5. Step 5: Solve for x
    x = 123,873,341.77/10,077.23
  6. Step 6: Final answer
    x = 12,292.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.