Home / 11,473.12-17,218.40-4,548.16

Finding the Fourth Proportional to 11,473.12, 17,218.40 and 4,548.16

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Solution

The fourth proportional to 11,473.12, 17,218.40 and 4,548.16 is: 6,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.12 : 17,218.40 = 4,548.16 : x
  2. Step 2: Convert to fraction form
    11,473.12/17,218.40 = 4,548.16/x
  3. Step 3: Cross multiply
    11,473.12x = 17,218.40 × 4,548.16
  4. Step 4: Simplify right side
    11,473.12x = 78,312,038.14
  5. Step 5: Solve for x
    x = 78,312,038.14/11,473.12
  6. Step 6: Final answer
    x = 6,825.70

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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.