Home / 10,008.36-15,014.16-3,434.76

Finding the Fourth Proportional to 10,008.36, 15,014.16 and 3,434.76

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Solution

The fourth proportional to 10,008.36, 15,014.16 and 3,434.76 is: 5,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.36 : 15,014.16 = 3,434.76 : x
  2. Step 2: Convert to fraction form
    10,008.36/15,014.16 = 3,434.76/x
  3. Step 3: Cross multiply
    10,008.36x = 15,014.16 × 3,434.76
  4. Step 4: Simplify right side
    10,008.36x = 51,570,036.20
  5. Step 5: Solve for x
    x = 51,570,036.20/10,008.36
  6. Step 6: Final answer
    x = 5,152.70

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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.