Home / 10,281.40-15,424.54-3,712.36

Finding the Fourth Proportional to 10,281.40, 15,424.54 and 3,712.36

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Solution

The fourth proportional to 10,281.40, 15,424.54 and 3,712.36 is: 5,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.40 : 15,424.54 = 3,712.36 : x
  2. Step 2: Convert to fraction form
    10,281.40/15,424.54 = 3,712.36/x
  3. Step 3: Cross multiply
    10,281.40x = 15,424.54 × 3,712.36
  4. Step 4: Simplify right side
    10,281.40x = 57,261,445.31
  5. Step 5: Solve for x
    x = 57,261,445.31/10,281.40
  6. Step 6: Final answer
    x = 5,569.42

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1.5x scale

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.