Home / 6,513.24-8,984.54-4,118.81

Finding the Fourth Proportional to 6,513.24, 8,984.54 and 4,118.81

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Solution

The fourth proportional to 6,513.24, 8,984.54 and 4,118.81 is: 5,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.24 : 8,984.54 = 4,118.81 : x
  2. Step 2: Convert to fraction form
    6,513.24/8,984.54 = 4,118.81/x
  3. Step 3: Cross multiply
    6,513.24x = 8,984.54 × 4,118.81
  4. Step 4: Simplify right side
    6,513.24x = 37,005,592.60
  5. Step 5: Solve for x
    x = 37,005,592.60/6,513.24
  6. Step 6: Final answer
    x = 5,681.60

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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.