Home / 7,618.59-11,411.37-3,714.75

Finding the Fourth Proportional to 7,618.59, 11,411.37 and 3,714.75

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Solution

The fourth proportional to 7,618.59, 11,411.37 and 3,714.75 is: 5,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.59 : 11,411.37 = 3,714.75 : x
  2. Step 2: Convert to fraction form
    7,618.59/11,411.37 = 3,714.75/x
  3. Step 3: Cross multiply
    7,618.59x = 11,411.37 × 3,714.75
  4. Step 4: Simplify right side
    7,618.59x = 42,390,386.71
  5. Step 5: Solve for x
    x = 42,390,386.71/7,618.59
  6. Step 6: Final answer
    x = 5,564.07

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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.