Home / 10,536.51-15,804.57-3,145.98

Finding the Fourth Proportional to 10,536.51, 15,804.57 and 3,145.98

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Solution

The fourth proportional to 10,536.51, 15,804.57 and 3,145.98 is: 4,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.51 : 15,804.57 = 3,145.98 : x
  2. Step 2: Convert to fraction form
    10,536.51/15,804.57 = 3,145.98/x
  3. Step 3: Cross multiply
    10,536.51x = 15,804.57 × 3,145.98
  4. Step 4: Simplify right side
    10,536.51x = 49,720,861.13
  5. Step 5: Solve for x
    x = 49,720,861.13/10,536.51
  6. Step 6: Final answer
    x = 4,718.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.