Home / 11,862.58-16,369.95-6,557.71

Finding the Fourth Proportional to 11,862.58, 16,369.95 and 6,557.71

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Solution

The fourth proportional to 11,862.58, 16,369.95 and 6,557.71 is: 9,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.58 : 16,369.95 = 6,557.71 : x
  2. Step 2: Convert to fraction form
    11,862.58/16,369.95 = 6,557.71/x
  3. Step 3: Cross multiply
    11,862.58x = 16,369.95 × 6,557.71
  4. Step 4: Simplify right side
    11,862.58x = 107,349,384.81
  5. Step 5: Solve for x
    x = 107,349,384.81/11,862.58
  6. Step 6: Final answer
    x = 9,049.41

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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.