Home / 9,975.10-13,765.47-5,437.83

Finding the Fourth Proportional to 9,975.10, 13,765.47 and 5,437.83

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Solution

The fourth proportional to 9,975.10, 13,765.47 and 5,437.83 is: 7,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.10 : 13,765.47 = 5,437.83 : x
  2. Step 2: Convert to fraction form
    9,975.10/13,765.47 = 5,437.83/x
  3. Step 3: Cross multiply
    9,975.10x = 13,765.47 × 5,437.83
  4. Step 4: Simplify right side
    9,975.10x = 74,854,309.73
  5. Step 5: Solve for x
    x = 74,854,309.73/9,975.10
  6. Step 6: Final answer
    x = 7,504.12

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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.