Home / 12,041.76-16,619.40-7,325.13

Finding the Fourth Proportional to 12,041.76, 16,619.40 and 7,325.13

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Solution

The fourth proportional to 12,041.76, 16,619.40 and 7,325.13 is: 10,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.76 : 16,619.40 = 7,325.13 : x
  2. Step 2: Convert to fraction form
    12,041.76/16,619.40 = 7,325.13/x
  3. Step 3: Cross multiply
    12,041.76x = 16,619.40 × 7,325.13
  4. Step 4: Simplify right side
    12,041.76x = 121,739,265.52
  5. Step 5: Solve for x
    x = 121,739,265.52/12,041.76
  6. Step 6: Final answer
    x = 10,109.76

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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.