Home / 12,700.04-17,525.86-7,110.92

Finding the Fourth Proportional to 12,700.04, 17,525.86 and 7,110.92

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Solution

The fourth proportional to 12,700.04, 17,525.86 and 7,110.92 is: 9,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.04 : 17,525.86 = 7,110.92 : x
  2. Step 2: Convert to fraction form
    12,700.04/17,525.86 = 7,110.92/x
  3. Step 3: Cross multiply
    12,700.04x = 17,525.86 × 7,110.92
  4. Step 4: Simplify right side
    12,700.04x = 124,624,988.39
  5. Step 5: Solve for x
    x = 124,624,988.39/12,700.04
  6. Step 6: Final answer
    x = 9,812.96

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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.