Home / 7,581.63-11,374.08-3,688.23

Finding the Fourth Proportional to 7,581.63, 11,374.08 and 3,688.23

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Solution

The fourth proportional to 7,581.63, 11,374.08 and 3,688.23 is: 5,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.63 : 11,374.08 = 3,688.23 : x
  2. Step 2: Convert to fraction form
    7,581.63/11,374.08 = 3,688.23/x
  3. Step 3: Cross multiply
    7,581.63x = 11,374.08 × 3,688.23
  4. Step 4: Simplify right side
    7,581.63x = 41,950,223.08
  5. Step 5: Solve for x
    x = 41,950,223.08/7,581.63
  6. Step 6: Final answer
    x = 5,533.14

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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.