Home / 11,622.78-16,038.91-6,586.71

Finding the Fourth Proportional to 11,622.78, 16,038.91 and 6,586.71

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Solution

The fourth proportional to 11,622.78, 16,038.91 and 6,586.71 is: 9,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.78 : 16,038.91 = 6,586.71 : x
  2. Step 2: Convert to fraction form
    11,622.78/16,038.91 = 6,586.71/x
  3. Step 3: Cross multiply
    11,622.78x = 16,038.91 × 6,586.71
  4. Step 4: Simplify right side
    11,622.78x = 105,643,535.76
  5. Step 5: Solve for x
    x = 105,643,535.76/11,622.78
  6. Step 6: Final answer
    x = 9,089.35

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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.