Home / 10,360.87-14,298.11-5,645.23

Finding the Fourth Proportional to 10,360.87, 14,298.11 and 5,645.23

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Solution

The fourth proportional to 10,360.87, 14,298.11 and 5,645.23 is: 7,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.87 : 14,298.11 = 5,645.23 : x
  2. Step 2: Convert to fraction form
    10,360.87/14,298.11 = 5,645.23/x
  3. Step 3: Cross multiply
    10,360.87x = 14,298.11 × 5,645.23
  4. Step 4: Simplify right side
    10,360.87x = 80,716,091.29
  5. Step 5: Solve for x
    x = 80,716,091.29/10,360.87
  6. Step 6: Final answer
    x = 7,790.47

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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.