Home / 10,699.26-15,977.80-10,583.42

Finding the Fourth Proportional to 10,699.26, 15,977.80 and 10,583.42

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Solution

The fourth proportional to 10,699.26, 15,977.80 and 10,583.42 is: 15,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.26 : 15,977.80 = 10,583.42 : x
  2. Step 2: Convert to fraction form
    10,699.26/15,977.80 = 10,583.42/x
  3. Step 3: Cross multiply
    10,699.26x = 15,977.80 × 10,583.42
  4. Step 4: Simplify right side
    10,699.26x = 169,099,768.08
  5. Step 5: Solve for x
    x = 169,099,768.08/10,699.26
  6. Step 6: Final answer
    x = 15,804.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.