Home / 7,581.69-11,368.58-2,386.17

Finding the Fourth Proportional to 7,581.69, 11,368.58 and 2,386.17

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Solution

The fourth proportional to 7,581.69, 11,368.58 and 2,386.17 is: 3,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.69 : 11,368.58 = 2,386.17 : x
  2. Step 2: Convert to fraction form
    7,581.69/11,368.58 = 2,386.17/x
  3. Step 3: Cross multiply
    7,581.69x = 11,368.58 × 2,386.17
  4. Step 4: Simplify right side
    7,581.69x = 27,127,352.61
  5. Step 5: Solve for x
    x = 27,127,352.61/7,581.69
  6. Step 6: Final answer
    x = 3,578.01

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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.