Home / 12,345.51-17,037.03-6,969.02

Finding the Fourth Proportional to 12,345.51, 17,037.03 and 6,969.02

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Solution

The fourth proportional to 12,345.51, 17,037.03 and 6,969.02 is: 9,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.51 : 17,037.03 = 6,969.02 : x
  2. Step 2: Convert to fraction form
    12,345.51/17,037.03 = 6,969.02/x
  3. Step 3: Cross multiply
    12,345.51x = 17,037.03 × 6,969.02
  4. Step 4: Simplify right side
    12,345.51x = 118,731,440.57
  5. Step 5: Solve for x
    x = 118,731,440.57/12,345.51
  6. Step 6: Final answer
    x = 9,617.38

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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.