Home / 8,368.53-11,545.38-4,830.45

Finding the Fourth Proportional to 8,368.53, 11,545.38 and 4,830.45

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Solution

The fourth proportional to 8,368.53, 11,545.38 and 4,830.45 is: 6,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.53 : 11,545.38 = 4,830.45 : x
  2. Step 2: Convert to fraction form
    8,368.53/11,545.38 = 4,830.45/x
  3. Step 3: Cross multiply
    8,368.53x = 11,545.38 × 4,830.45
  4. Step 4: Simplify right side
    8,368.53x = 55,769,380.82
  5. Step 5: Solve for x
    x = 55,769,380.82/8,368.53
  6. Step 6: Final answer
    x = 6,664.18

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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.