Home / 9,938.95-13,716-5,462.81

Finding the Fourth Proportional to 9,938.95, 13,716 and 5,462.81

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Solution

The fourth proportional to 9,938.95, 13,716 and 5,462.81 is: 7,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.95 : 13,716 = 5,462.81 : x
  2. Step 2: Convert to fraction form
    9,938.95/13,716 = 5,462.81/x
  3. Step 3: Cross multiply
    9,938.95x = 13,716 × 5,462.81
  4. Step 4: Simplify right side
    9,938.95x = 74,927,936.25
  5. Step 5: Solve for x
    x = 74,927,936.25/9,938.95
  6. Step 6: Final answer
    x = 7,538.82

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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.