Home / 7,699.25-11,547.81-2,768.18

Finding the Fourth Proportional to 7,699.25, 11,547.81 and 2,768.18

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Solution

The fourth proportional to 7,699.25, 11,547.81 and 2,768.18 is: 4,151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.25 : 11,547.81 = 2,768.18 : x
  2. Step 2: Convert to fraction form
    7,699.25/11,547.81 = 2,768.18/x
  3. Step 3: Cross multiply
    7,699.25x = 11,547.81 × 2,768.18
  4. Step 4: Simplify right side
    7,699.25x = 31,966,416.69
  5. Step 5: Solve for x
    x = 31,966,416.69/7,699.25
  6. Step 6: Final answer
    x = 4,151.89

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1.5x scale

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.