Home / 12,349.37-17,041.05-7,312.68

Finding the Fourth Proportional to 12,349.37, 17,041.05 and 7,312.68

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Solution

The fourth proportional to 12,349.37, 17,041.05 and 7,312.68 is: 10,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.37 : 17,041.05 = 7,312.68 : x
  2. Step 2: Convert to fraction form
    12,349.37/17,041.05 = 7,312.68/x
  3. Step 3: Cross multiply
    12,349.37x = 17,041.05 × 7,312.68
  4. Step 4: Simplify right side
    12,349.37x = 124,615,745.51
  5. Step 5: Solve for x
    x = 124,615,745.51/12,349.37
  6. Step 6: Final answer
    x = 10,090.86

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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.