Home / 11,294.08-15,587.56-7,045.84

Finding the Fourth Proportional to 11,294.08, 15,587.56 and 7,045.84

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Solution

The fourth proportional to 11,294.08, 15,587.56 and 7,045.84 is: 9,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.08 : 15,587.56 = 7,045.84 : x
  2. Step 2: Convert to fraction form
    11,294.08/15,587.56 = 7,045.84/x
  3. Step 3: Cross multiply
    11,294.08x = 15,587.56 × 7,045.84
  4. Step 4: Simplify right side
    11,294.08x = 109,827,453.75
  5. Step 5: Solve for x
    x = 109,827,453.75/11,294.08
  6. Step 6: Final answer
    x = 9,724.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.