Home / 30,466.20-45,703.63-9,407.97

Finding the Fourth Proportional to 30,466.20, 45,703.63 and 9,407.97

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Solution

The fourth proportional to 30,466.20, 45,703.63 and 9,407.97 is: 14,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.20 : 45,703.63 = 9,407.97 : x
  2. Step 2: Convert to fraction form
    30,466.20/45,703.63 = 9,407.97/x
  3. Step 3: Cross multiply
    30,466.20x = 45,703.63 × 9,407.97
  4. Step 4: Simplify right side
    30,466.20x = 429,978,379.93
  5. Step 5: Solve for x
    x = 429,978,379.93/30,466.20
  6. Step 6: Final answer
    x = 14,113.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.