Home / 7,456.90-11,185.14-3,071.08

Finding the Fourth Proportional to 7,456.90, 11,185.14 and 3,071.08

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Solution

The fourth proportional to 7,456.90, 11,185.14 and 3,071.08 is: 4,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.90 : 11,185.14 = 3,071.08 : x
  2. Step 2: Convert to fraction form
    7,456.90/11,185.14 = 3,071.08/x
  3. Step 3: Cross multiply
    7,456.90x = 11,185.14 × 3,071.08
  4. Step 4: Simplify right side
    7,456.90x = 34,350,459.75
  5. Step 5: Solve for x
    x = 34,350,459.75/7,456.90
  6. Step 6: Final answer
    x = 4,606.53

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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.