Home / 7,435.10-11,154.70-6,619.08

Finding the Fourth Proportional to 7,435.10, 11,154.70 and 6,619.08

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Solution

The fourth proportional to 7,435.10, 11,154.70 and 6,619.08 is: 9,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.10 : 11,154.70 = 6,619.08 : x
  2. Step 2: Convert to fraction form
    7,435.10/11,154.70 = 6,619.08/x
  3. Step 3: Cross multiply
    7,435.10x = 11,154.70 × 6,619.08
  4. Step 4: Simplify right side
    7,435.10x = 73,833,851.68
  5. Step 5: Solve for x
    x = 73,833,851.68/7,435.10
  6. Step 6: Final answer
    x = 9,930.45

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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.