Home / 12,020.08-16,586.98-6,715.24

Finding the Fourth Proportional to 12,020.08, 16,586.98 and 6,715.24

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Solution

The fourth proportional to 12,020.08, 16,586.98 and 6,715.24 is: 9,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.08 : 16,586.98 = 6,715.24 : x
  2. Step 2: Convert to fraction form
    12,020.08/16,586.98 = 6,715.24/x
  3. Step 3: Cross multiply
    12,020.08x = 16,586.98 × 6,715.24
  4. Step 4: Simplify right side
    12,020.08x = 111,385,551.58
  5. Step 5: Solve for x
    x = 111,385,551.58/12,020.08
  6. Step 6: Final answer
    x = 9,266.62

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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.