Home / 10,013.07-15,019.74-9,404.22

Finding the Fourth Proportional to 10,013.07, 15,019.74 and 9,404.22

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Solution

The fourth proportional to 10,013.07, 15,019.74 and 9,404.22 is: 14,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.07 : 15,019.74 = 9,404.22 : x
  2. Step 2: Convert to fraction form
    10,013.07/15,019.74 = 9,404.22/x
  3. Step 3: Cross multiply
    10,013.07x = 15,019.74 × 9,404.22
  4. Step 4: Simplify right side
    10,013.07x = 141,248,939.30
  5. Step 5: Solve for x
    x = 141,248,939.30/10,013.07
  6. Step 6: Final answer
    x = 14,106.46

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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.