Home / 7,387.74-10,196.40-4,403.77

Finding the Fourth Proportional to 7,387.74, 10,196.40 and 4,403.77

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Solution

The fourth proportional to 7,387.74, 10,196.40 and 4,403.77 is: 6,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.74 : 10,196.40 = 4,403.77 : x
  2. Step 2: Convert to fraction form
    7,387.74/10,196.40 = 4,403.77/x
  3. Step 3: Cross multiply
    7,387.74x = 10,196.40 × 4,403.77
  4. Step 4: Simplify right side
    7,387.74x = 44,902,549.45
  5. Step 5: Solve for x
    x = 44,902,549.45/7,387.74
  6. Step 6: Final answer
    x = 6,077.98

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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.