Home / 10,536.09-15,808.38-4,688.70

Finding the Fourth Proportional to 10,536.09, 15,808.38 and 4,688.70

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Solution

The fourth proportional to 10,536.09, 15,808.38 and 4,688.70 is: 7,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.09 : 15,808.38 = 4,688.70 : x
  2. Step 2: Convert to fraction form
    10,536.09/15,808.38 = 4,688.70/x
  3. Step 3: Cross multiply
    10,536.09x = 15,808.38 × 4,688.70
  4. Step 4: Simplify right side
    10,536.09x = 74,120,751.31
  5. Step 5: Solve for x
    x = 74,120,751.31/10,536.09
  6. Step 6: Final answer
    x = 7,034.94

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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.