Home / 7,401.58-11,091.40-4,621.32

Finding the Fourth Proportional to 7,401.58, 11,091.40 and 4,621.32

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Solution

The fourth proportional to 7,401.58, 11,091.40 and 4,621.32 is: 6,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.58 : 11,091.40 = 4,621.32 : x
  2. Step 2: Convert to fraction form
    7,401.58/11,091.40 = 4,621.32/x
  3. Step 3: Cross multiply
    7,401.58x = 11,091.40 × 4,621.32
  4. Step 4: Simplify right side
    7,401.58x = 51,256,897.09
  5. Step 5: Solve for x
    x = 51,256,897.09/7,401.58
  6. Step 6: Final answer
    x = 6,925.13

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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.