Home / 7,187.12-9,914.88-4,669.04

Finding the Fourth Proportional to 7,187.12, 9,914.88 and 4,669.04

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Solution

The fourth proportional to 7,187.12, 9,914.88 and 4,669.04 is: 6,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.12 : 9,914.88 = 4,669.04 : x
  2. Step 2: Convert to fraction form
    7,187.12/9,914.88 = 4,669.04/x
  3. Step 3: Cross multiply
    7,187.12x = 9,914.88 × 4,669.04
  4. Step 4: Simplify right side
    7,187.12x = 46,292,971.32
  5. Step 5: Solve for x
    x = 46,292,971.32/7,187.12
  6. Step 6: Final answer
    x = 6,441.10

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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.