Home / 7,435.13-11,152.77-1,888.33

Finding the Fourth Proportional to 7,435.13, 11,152.77 and 1,888.33

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Solution

The fourth proportional to 7,435.13, 11,152.77 and 1,888.33 is: 2,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.13 : 11,152.77 = 1,888.33 : x
  2. Step 2: Convert to fraction form
    7,435.13/11,152.77 = 1,888.33/x
  3. Step 3: Cross multiply
    7,435.13x = 11,152.77 × 1,888.33
  4. Step 4: Simplify right side
    7,435.13x = 21,060,110.17
  5. Step 5: Solve for x
    x = 21,060,110.17/7,435.13
  6. Step 6: Final answer
    x = 2,832.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.