Home / 10,345.06-14,276.26-5,629.38

Finding the Fourth Proportional to 10,345.06, 14,276.26 and 5,629.38

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Solution

The fourth proportional to 10,345.06, 14,276.26 and 5,629.38 is: 7,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.06 : 14,276.26 = 5,629.38 : x
  2. Step 2: Convert to fraction form
    10,345.06/14,276.26 = 5,629.38/x
  3. Step 3: Cross multiply
    10,345.06x = 14,276.26 × 5,629.38
  4. Step 4: Simplify right side
    10,345.06x = 80,366,428.68
  5. Step 5: Solve for x
    x = 80,366,428.68/10,345.06
  6. Step 6: Final answer
    x = 7,768.58

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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.