Home / 10,805.62-14,914.80-6,557.98

Finding the Fourth Proportional to 10,805.62, 14,914.80 and 6,557.98

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Solution

The fourth proportional to 10,805.62, 14,914.80 and 6,557.98 is: 9,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.62 : 14,914.80 = 6,557.98 : x
  2. Step 2: Convert to fraction form
    10,805.62/14,914.80 = 6,557.98/x
  3. Step 3: Cross multiply
    10,805.62x = 14,914.80 × 6,557.98
  4. Step 4: Simplify right side
    10,805.62x = 97,810,960.10
  5. Step 5: Solve for x
    x = 97,810,960.10/10,805.62
  6. Step 6: Final answer
    x = 9,051.86

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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.