Home / 10,345.77-15,513.17-9,536.58

Finding the Fourth Proportional to 10,345.77, 15,513.17 and 9,536.58

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Solution

The fourth proportional to 10,345.77, 15,513.17 and 9,536.58 is: 14,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.77 : 15,513.17 = 9,536.58 : x
  2. Step 2: Convert to fraction form
    10,345.77/15,513.17 = 9,536.58/x
  3. Step 3: Cross multiply
    10,345.77x = 15,513.17 × 9,536.58
  4. Step 4: Simplify right side
    10,345.77x = 147,942,539.08
  5. Step 5: Solve for x
    x = 147,942,539.08/10,345.77
  6. Step 6: Final answer
    x = 14,299.81

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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.