Home / 11,013.39-15,192.11-7,030.01

Finding the Fourth Proportional to 11,013.39, 15,192.11 and 7,030.01

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Solution

The fourth proportional to 11,013.39, 15,192.11 and 7,030.01 is: 9,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.39 : 15,192.11 = 7,030.01 : x
  2. Step 2: Convert to fraction form
    11,013.39/15,192.11 = 7,030.01/x
  3. Step 3: Cross multiply
    11,013.39x = 15,192.11 × 7,030.01
  4. Step 4: Simplify right side
    11,013.39x = 106,800,740.78
  5. Step 5: Solve for x
    x = 106,800,740.78/11,013.39
  6. Step 6: Final answer
    x = 9,697.35

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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.