Home / 7,347.15-11,009.91-4,342.09

Finding the Fourth Proportional to 7,347.15, 11,009.91 and 4,342.09

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Solution

The fourth proportional to 7,347.15, 11,009.91 and 4,342.09 is: 6,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.15 : 11,009.91 = 4,342.09 : x
  2. Step 2: Convert to fraction form
    7,347.15/11,009.91 = 4,342.09/x
  3. Step 3: Cross multiply
    7,347.15x = 11,009.91 × 4,342.09
  4. Step 4: Simplify right side
    7,347.15x = 47,805,998.40
  5. Step 5: Solve for x
    x = 47,805,998.40/7,347.15
  6. Step 6: Final answer
    x = 6,506.74

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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.