Home / 8,362.07-11,547.48-5,383.15

Finding the Fourth Proportional to 8,362.07, 11,547.48 and 5,383.15

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Solution

The fourth proportional to 8,362.07, 11,547.48 and 5,383.15 is: 7,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.07 : 11,547.48 = 5,383.15 : x
  2. Step 2: Convert to fraction form
    8,362.07/11,547.48 = 5,383.15/x
  3. Step 3: Cross multiply
    8,362.07x = 11,547.48 × 5,383.15
  4. Step 4: Simplify right side
    8,362.07x = 62,161,816.96
  5. Step 5: Solve for x
    x = 62,161,816.96/8,362.07
  6. Step 6: Final answer
    x = 7,433.78

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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.