Home / 10,194.27-14,068.31-7,215.45

Finding the Fourth Proportional to 10,194.27, 14,068.31 and 7,215.45

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Solution

The fourth proportional to 10,194.27, 14,068.31 and 7,215.45 is: 9,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.27 : 14,068.31 = 7,215.45 : x
  2. Step 2: Convert to fraction form
    10,194.27/14,068.31 = 7,215.45/x
  3. Step 3: Cross multiply
    10,194.27x = 14,068.31 × 7,215.45
  4. Step 4: Simplify right side
    10,194.27x = 101,509,187.39
  5. Step 5: Solve for x
    x = 101,509,187.39/10,194.27
  6. Step 6: Final answer
    x = 9,957.47

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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.