Home / 8,111.79-11,192.34-4,925.01

Finding the Fourth Proportional to 8,111.79, 11,192.34 and 4,925.01

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Solution

The fourth proportional to 8,111.79, 11,192.34 and 4,925.01 is: 6,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.79 : 11,192.34 = 4,925.01 : x
  2. Step 2: Convert to fraction form
    8,111.79/11,192.34 = 4,925.01/x
  3. Step 3: Cross multiply
    8,111.79x = 11,192.34 × 4,925.01
  4. Step 4: Simplify right side
    8,111.79x = 55,122,386.42
  5. Step 5: Solve for x
    x = 55,122,386.42/8,111.79
  6. Step 6: Final answer
    x = 6,795.34

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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.