Home / 12,303.10-16,973.38-7,579.18

Finding the Fourth Proportional to 12,303.10, 16,973.38 and 7,579.18

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Solution

The fourth proportional to 12,303.10, 16,973.38 and 7,579.18 is: 10,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.10 : 16,973.38 = 7,579.18 : x
  2. Step 2: Convert to fraction form
    12,303.10/16,973.38 = 7,579.18/x
  3. Step 3: Cross multiply
    12,303.10x = 16,973.38 × 7,579.18
  4. Step 4: Simplify right side
    12,303.10x = 128,644,302.23
  5. Step 5: Solve for x
    x = 128,644,302.23/12,303.10
  6. Step 6: Final answer
    x = 10,456.25

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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.