Home / 7,387.08-10,196.10-4,556.74

Finding the Fourth Proportional to 7,387.08, 10,196.10 and 4,556.74

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Solution

The fourth proportional to 7,387.08, 10,196.10 and 4,556.74 is: 6,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.08 : 10,196.10 = 4,556.74 : x
  2. Step 2: Convert to fraction form
    7,387.08/10,196.10 = 4,556.74/x
  3. Step 3: Cross multiply
    7,387.08x = 10,196.10 × 4,556.74
  4. Step 4: Simplify right side
    7,387.08x = 46,460,976.71
  5. Step 5: Solve for x
    x = 46,460,976.71/7,387.08
  6. Step 6: Final answer
    x = 6,289.49

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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.