Home / 10,360.63-14,298.11-5,645.17

Finding the Fourth Proportional to 10,360.63, 14,298.11 and 5,645.17

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Solution

The fourth proportional to 10,360.63, 14,298.11 and 5,645.17 is: 7,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.63 : 14,298.11 = 5,645.17 : x
  2. Step 2: Convert to fraction form
    10,360.63/14,298.11 = 5,645.17/x
  3. Step 3: Cross multiply
    10,360.63x = 14,298.11 × 5,645.17
  4. Step 4: Simplify right side
    10,360.63x = 80,715,261.63
  5. Step 5: Solve for x
    x = 80,715,261.63/10,360.63
  6. Step 6: Final answer
    x = 7,790.57

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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.