Home / 11,219.66-15,485.77-6,973.93

Finding the Fourth Proportional to 11,219.66, 15,485.77 and 6,973.93

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Solution

The fourth proportional to 11,219.66, 15,485.77 and 6,973.93 is: 9,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.66 : 15,485.77 = 6,973.93 : x
  2. Step 2: Convert to fraction form
    11,219.66/15,485.77 = 6,973.93/x
  3. Step 3: Cross multiply
    11,219.66x = 15,485.77 × 6,973.93
  4. Step 4: Simplify right side
    11,219.66x = 107,996,675.98
  5. Step 5: Solve for x
    x = 107,996,675.98/11,219.66
  6. Step 6: Final answer
    x = 9,625.66

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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.