Home / 7,345.24-10,140.38-5,662.96

Finding the Fourth Proportional to 7,345.24, 10,140.38 and 5,662.96

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Solution

The fourth proportional to 7,345.24, 10,140.38 and 5,662.96 is: 7,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.24 : 10,140.38 = 5,662.96 : x
  2. Step 2: Convert to fraction form
    7,345.24/10,140.38 = 5,662.96/x
  3. Step 3: Cross multiply
    7,345.24x = 10,140.38 × 5,662.96
  4. Step 4: Simplify right side
    7,345.24x = 57,424,566.32
  5. Step 5: Solve for x
    x = 57,424,566.32/7,345.24
  6. Step 6: Final answer
    x = 7,817.93

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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.