Home / 10,545.06-14,545.62-6,293.28

Finding the Fourth Proportional to 10,545.06, 14,545.62 and 6,293.28

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Solution

The fourth proportional to 10,545.06, 14,545.62 and 6,293.28 is: 8,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.06 : 14,545.62 = 6,293.28 : x
  2. Step 2: Convert to fraction form
    10,545.06/14,545.62 = 6,293.28/x
  3. Step 3: Cross multiply
    10,545.06x = 14,545.62 × 6,293.28
  4. Step 4: Simplify right side
    10,545.06x = 91,539,659.43
  5. Step 5: Solve for x
    x = 91,539,659.43/10,545.06
  6. Step 6: Final answer
    x = 8,680.81

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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.