Home / 10,856.23-16,193.07-9,859.62

Finding the Fourth Proportional to 10,856.23, 16,193.07 and 9,859.62

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Solution

The fourth proportional to 10,856.23, 16,193.07 and 9,859.62 is: 14,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.23 : 16,193.07 = 9,859.62 : x
  2. Step 2: Convert to fraction form
    10,856.23/16,193.07 = 9,859.62/x
  3. Step 3: Cross multiply
    10,856.23x = 16,193.07 × 9,859.62
  4. Step 4: Simplify right side
    10,856.23x = 159,657,516.83
  5. Step 5: Solve for x
    x = 159,657,516.83/10,856.23
  6. Step 6: Final answer
    x = 14,706.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.