Home / 9,124.08-12,590.96-5,091.01

Finding the Fourth Proportional to 9,124.08, 12,590.96 and 5,091.01

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Solution

The fourth proportional to 9,124.08, 12,590.96 and 5,091.01 is: 7,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.08 : 12,590.96 = 5,091.01 : x
  2. Step 2: Convert to fraction form
    9,124.08/12,590.96 = 5,091.01/x
  3. Step 3: Cross multiply
    9,124.08x = 12,590.96 × 5,091.01
  4. Step 4: Simplify right side
    9,124.08x = 64,100,703.27
  5. Step 5: Solve for x
    x = 64,100,703.27/9,124.08
  6. Step 6: Final answer
    x = 7,025.44

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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.