Home / 10,558.14-14,558.31-7,897.02

Finding the Fourth Proportional to 10,558.14, 14,558.31 and 7,897.02

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Solution

The fourth proportional to 10,558.14, 14,558.31 and 7,897.02 is: 10,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.14 : 14,558.31 = 7,897.02 : x
  2. Step 2: Convert to fraction form
    10,558.14/14,558.31 = 7,897.02/x
  3. Step 3: Cross multiply
    10,558.14x = 14,558.31 × 7,897.02
  4. Step 4: Simplify right side
    10,558.14x = 114,967,265.24
  5. Step 5: Solve for x
    x = 114,967,265.24/10,558.14
  6. Step 6: Final answer
    x = 10,888.97

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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.