Home / 7,417.86-11,128.30-3,035.68

Finding the Fourth Proportional to 7,417.86, 11,128.30 and 3,035.68

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Solution

The fourth proportional to 7,417.86, 11,128.30 and 3,035.68 is: 4,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.86 : 11,128.30 = 3,035.68 : x
  2. Step 2: Convert to fraction form
    7,417.86/11,128.30 = 3,035.68/x
  3. Step 3: Cross multiply
    7,417.86x = 11,128.30 × 3,035.68
  4. Step 4: Simplify right side
    7,417.86x = 33,781,957.74
  5. Step 5: Solve for x
    x = 33,781,957.74/7,417.86
  6. Step 6: Final answer
    x = 4,554.14

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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.