Home / 13,248.48-18,283.14-7,280.01

Finding the Fourth Proportional to 13,248.48, 18,283.14 and 7,280.01

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Solution

The fourth proportional to 13,248.48, 18,283.14 and 7,280.01 is: 10,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.48 : 18,283.14 = 7,280.01 : x
  2. Step 2: Convert to fraction form
    13,248.48/18,283.14 = 7,280.01/x
  3. Step 3: Cross multiply
    13,248.48x = 18,283.14 × 7,280.01
  4. Step 4: Simplify right side
    13,248.48x = 133,101,442.03
  5. Step 5: Solve for x
    x = 133,101,442.03/13,248.48
  6. Step 6: Final answer
    x = 10,046.54

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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.