Home / 13,065.68-18,030.08-7,097.18

Finding the Fourth Proportional to 13,065.68, 18,030.08 and 7,097.18

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Solution

The fourth proportional to 13,065.68, 18,030.08 and 7,097.18 is: 9,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.68 : 18,030.08 = 7,097.18 : x
  2. Step 2: Convert to fraction form
    13,065.68/18,030.08 = 7,097.18/x
  3. Step 3: Cross multiply
    13,065.68x = 18,030.08 × 7,097.18
  4. Step 4: Simplify right side
    13,065.68x = 127,962,723.17
  5. Step 5: Solve for x
    x = 127,962,723.17/13,065.68
  6. Step 6: Final answer
    x = 9,793.81

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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.