Home / 8,539.13-11,784.09-4,813.13

Finding the Fourth Proportional to 8,539.13, 11,784.09 and 4,813.13

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Solution

The fourth proportional to 8,539.13, 11,784.09 and 4,813.13 is: 6,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.13 : 11,784.09 = 4,813.13 : x
  2. Step 2: Convert to fraction form
    8,539.13/11,784.09 = 4,813.13/x
  3. Step 3: Cross multiply
    8,539.13x = 11,784.09 × 4,813.13
  4. Step 4: Simplify right side
    8,539.13x = 56,718,274.12
  5. Step 5: Solve for x
    x = 56,718,274.12/8,539.13
  6. Step 6: Final answer
    x = 6,642.16

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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.