Home / 11,948.81-16,493.84-8,973.24

Finding the Fourth Proportional to 11,948.81, 16,493.84 and 8,973.24

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Solution

The fourth proportional to 11,948.81, 16,493.84 and 8,973.24 is: 12,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.81 : 16,493.84 = 8,973.24 : x
  2. Step 2: Convert to fraction form
    11,948.81/16,493.84 = 8,973.24/x
  3. Step 3: Cross multiply
    11,948.81x = 16,493.84 × 8,973.24
  4. Step 4: Simplify right side
    11,948.81x = 148,003,139.98
  5. Step 5: Solve for x
    x = 148,003,139.98/11,948.81
  6. Step 6: Final answer
    x = 12,386.44

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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.