Home / 9,985.56-14,969.70-4,795.08

Finding the Fourth Proportional to 9,985.56, 14,969.70 and 4,795.08

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Solution

The fourth proportional to 9,985.56, 14,969.70 and 4,795.08 is: 7,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.56 : 14,969.70 = 4,795.08 : x
  2. Step 2: Convert to fraction form
    9,985.56/14,969.70 = 4,795.08/x
  3. Step 3: Cross multiply
    9,985.56x = 14,969.70 × 4,795.08
  4. Step 4: Simplify right side
    9,985.56x = 71,780,909.08
  5. Step 5: Solve for x
    x = 71,780,909.08/9,985.56
  6. Step 6: Final answer
    x = 7,188.47

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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.