Home / 7,407.90-11,106.60-3,707.47

Finding the Fourth Proportional to 7,407.90, 11,106.60 and 3,707.47

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Solution

The fourth proportional to 7,407.90, 11,106.60 and 3,707.47 is: 5,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.90 : 11,106.60 = 3,707.47 : x
  2. Step 2: Convert to fraction form
    7,407.90/11,106.60 = 3,707.47/x
  3. Step 3: Cross multiply
    7,407.90x = 11,106.60 × 3,707.47
  4. Step 4: Simplify right side
    7,407.90x = 41,177,386.30
  5. Step 5: Solve for x
    x = 41,177,386.30/7,407.90
  6. Step 6: Final answer
    x = 5,558.58

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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.