Home / 8,370.99-11,545.56-6,132.06

Finding the Fourth Proportional to 8,370.99, 11,545.56 and 6,132.06

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Solution

The fourth proportional to 8,370.99, 11,545.56 and 6,132.06 is: 8,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.99 : 11,545.56 = 6,132.06 : x
  2. Step 2: Convert to fraction form
    8,370.99/11,545.56 = 6,132.06/x
  3. Step 3: Cross multiply
    8,370.99x = 11,545.56 × 6,132.06
  4. Step 4: Simplify right side
    8,370.99x = 70,798,066.65
  5. Step 5: Solve for x
    x = 70,798,066.65/8,370.99
  6. Step 6: Final answer
    x = 8,457.55

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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.