Home / 12,300.14-18,444.36-7,307.66

Finding the Fourth Proportional to 12,300.14, 18,444.36 and 7,307.66

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Solution

The fourth proportional to 12,300.14, 18,444.36 and 7,307.66 is: 10,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.14 : 18,444.36 = 7,307.66 : x
  2. Step 2: Convert to fraction form
    12,300.14/18,444.36 = 7,307.66/x
  3. Step 3: Cross multiply
    12,300.14x = 18,444.36 × 7,307.66
  4. Step 4: Simplify right side
    12,300.14x = 134,785,111.80
  5. Step 5: Solve for x
    x = 134,785,111.80/12,300.14
  6. Step 6: Final answer
    x = 10,958.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.