Home / 12,746.04-17,587.74-7,080.36

Finding the Fourth Proportional to 12,746.04, 17,587.74 and 7,080.36

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Solution

The fourth proportional to 12,746.04, 17,587.74 and 7,080.36 is: 9,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.04 : 17,587.74 = 7,080.36 : x
  2. Step 2: Convert to fraction form
    12,746.04/17,587.74 = 7,080.36/x
  3. Step 3: Cross multiply
    12,746.04x = 17,587.74 × 7,080.36
  4. Step 4: Simplify right side
    12,746.04x = 124,527,530.79
  5. Step 5: Solve for x
    x = 124,527,530.79/12,746.04
  6. Step 6: Final answer
    x = 9,769.90

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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.