Home / 11,131.48-15,362.18-6,416.07

Finding the Fourth Proportional to 11,131.48, 15,362.18 and 6,416.07

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Solution

The fourth proportional to 11,131.48, 15,362.18 and 6,416.07 is: 8,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.48 : 15,362.18 = 6,416.07 : x
  2. Step 2: Convert to fraction form
    11,131.48/15,362.18 = 6,416.07/x
  3. Step 3: Cross multiply
    11,131.48x = 15,362.18 × 6,416.07
  4. Step 4: Simplify right side
    11,131.48x = 98,564,822.23
  5. Step 5: Solve for x
    x = 98,564,822.23/11,131.48
  6. Step 6: Final answer
    x = 8,854.60

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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.