Home / 13,248.84-18,283.47-7,280.37

Finding the Fourth Proportional to 13,248.84, 18,283.47 and 7,280.37

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Solution

The fourth proportional to 13,248.84, 18,283.47 and 7,280.37 is: 10,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.84 : 18,283.47 = 7,280.37 : x
  2. Step 2: Convert to fraction form
    13,248.84/18,283.47 = 7,280.37/x
  3. Step 3: Cross multiply
    13,248.84x = 18,283.47 × 7,280.37
  4. Step 4: Simplify right side
    13,248.84x = 133,110,426.48
  5. Step 5: Solve for x
    x = 133,110,426.48/13,248.84
  6. Step 6: Final answer
    x = 10,046.95

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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.