Home / 11,647.52-17,457.59-5,394.32

Finding the Fourth Proportional to 11,647.52, 17,457.59 and 5,394.32

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Solution

The fourth proportional to 11,647.52, 17,457.59 and 5,394.32 is: 8,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.52 : 17,457.59 = 5,394.32 : x
  2. Step 2: Convert to fraction form
    11,647.52/17,457.59 = 5,394.32/x
  3. Step 3: Cross multiply
    11,647.52x = 17,457.59 × 5,394.32
  4. Step 4: Simplify right side
    11,647.52x = 94,171,712.63
  5. Step 5: Solve for x
    x = 94,171,712.63/11,647.52
  6. Step 6: Final answer
    x = 8,085.13

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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.