Home / 12,048.48-16,637.28-7,579.68

Finding the Fourth Proportional to 12,048.48, 16,637.28 and 7,579.68

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Solution

The fourth proportional to 12,048.48, 16,637.28 and 7,579.68 is: 10,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.48 : 16,637.28 = 7,579.68 : x
  2. Step 2: Convert to fraction form
    12,048.48/16,637.28 = 7,579.68/x
  3. Step 3: Cross multiply
    12,048.48x = 16,637.28 × 7,579.68
  4. Step 4: Simplify right side
    12,048.48x = 126,105,258.47
  5. Step 5: Solve for x
    x = 126,105,258.47/12,048.48
  6. Step 6: Final answer
    x = 10,466.49

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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.