Home / 11,078.01-15,287.54-6,362.32

Finding the Fourth Proportional to 11,078.01, 15,287.54 and 6,362.32

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Solution

The fourth proportional to 11,078.01, 15,287.54 and 6,362.32 is: 8,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.01 : 15,287.54 = 6,362.32 : x
  2. Step 2: Convert to fraction form
    11,078.01/15,287.54 = 6,362.32/x
  3. Step 3: Cross multiply
    11,078.01x = 15,287.54 × 6,362.32
  4. Step 4: Simplify right side
    11,078.01x = 97,264,189.68
  5. Step 5: Solve for x
    x = 97,264,189.68/11,078.01
  6. Step 6: Final answer
    x = 8,779.94

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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.