Home / 11,867.84-17,802.60-3,547.76

Finding the Fourth Proportional to 11,867.84, 17,802.60 and 3,547.76

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Solution

The fourth proportional to 11,867.84, 17,802.60 and 3,547.76 is: 5,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.84 : 17,802.60 = 3,547.76 : x
  2. Step 2: Convert to fraction form
    11,867.84/17,802.60 = 3,547.76/x
  3. Step 3: Cross multiply
    11,867.84x = 17,802.60 × 3,547.76
  4. Step 4: Simplify right side
    11,867.84x = 63,159,352.18
  5. Step 5: Solve for x
    x = 63,159,352.18/11,867.84
  6. Step 6: Final answer
    x = 5,321.89

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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.