Home / 10,860.66-16,299.18-7,946.48

Finding the Fourth Proportional to 10,860.66, 16,299.18 and 7,946.48

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Solution

The fourth proportional to 10,860.66, 16,299.18 and 7,946.48 is: 11,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.66 : 16,299.18 = 7,946.48 : x
  2. Step 2: Convert to fraction form
    10,860.66/16,299.18 = 7,946.48/x
  3. Step 3: Cross multiply
    10,860.66x = 16,299.18 × 7,946.48
  4. Step 4: Simplify right side
    10,860.66x = 129,521,148.63
  5. Step 5: Solve for x
    x = 129,521,148.63/10,860.66
  6. Step 6: Final answer
    x = 11,925.72

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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.