Home / 11,393.04-15,722.40-6,677.32

Finding the Fourth Proportional to 11,393.04, 15,722.40 and 6,677.32

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Solution

The fourth proportional to 11,393.04, 15,722.40 and 6,677.32 is: 9,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.04 : 15,722.40 = 6,677.32 : x
  2. Step 2: Convert to fraction form
    11,393.04/15,722.40 = 6,677.32/x
  3. Step 3: Cross multiply
    11,393.04x = 15,722.40 × 6,677.32
  4. Step 4: Simplify right side
    11,393.04x = 104,983,495.97
  5. Step 5: Solve for x
    x = 104,983,495.97/11,393.04
  6. Step 6: Final answer
    x = 9,214.70

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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.