Home / 7,345.29-11,019.74-3,445.14

Finding the Fourth Proportional to 7,345.29, 11,019.74 and 3,445.14

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Solution

The fourth proportional to 7,345.29, 11,019.74 and 3,445.14 is: 5,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.29 : 11,019.74 = 3,445.14 : x
  2. Step 2: Convert to fraction form
    7,345.29/11,019.74 = 3,445.14/x
  3. Step 3: Cross multiply
    7,345.29x = 11,019.74 × 3,445.14
  4. Step 4: Simplify right side
    7,345.29x = 37,964,547.06
  5. Step 5: Solve for x
    x = 37,964,547.06/7,345.29
  6. Step 6: Final answer
    x = 5,168.56

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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.