Home / 11,345.04-17,017.58-4,419.54

Finding the Fourth Proportional to 11,345.04, 17,017.58 and 4,419.54

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Solution

The fourth proportional to 11,345.04, 17,017.58 and 4,419.54 is: 6,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.04 : 17,017.58 = 4,419.54 : x
  2. Step 2: Convert to fraction form
    11,345.04/17,017.58 = 4,419.54/x
  3. Step 3: Cross multiply
    11,345.04x = 17,017.58 × 4,419.54
  4. Step 4: Simplify right side
    11,345.04x = 75,209,875.51
  5. Step 5: Solve for x
    x = 75,209,875.51/11,345.04
  6. Step 6: Final answer
    x = 6,629.32

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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.