Home / 8,543.94-12,814.47-2,386.50

Finding the Fourth Proportional to 8,543.94, 12,814.47 and 2,386.50

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Solution

The fourth proportional to 8,543.94, 12,814.47 and 2,386.50 is: 3,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.94 : 12,814.47 = 2,386.50 : x
  2. Step 2: Convert to fraction form
    8,543.94/12,814.47 = 2,386.50/x
  3. Step 3: Cross multiply
    8,543.94x = 12,814.47 × 2,386.50
  4. Step 4: Simplify right side
    8,543.94x = 30,581,732.66
  5. Step 5: Solve for x
    x = 30,581,732.66/8,543.94
  6. Step 6: Final answer
    x = 3,579.35

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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.