Home / 9,931.01-14,896.51-4,721.09

Finding the Fourth Proportional to 9,931.01, 14,896.51 and 4,721.09

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Solution

The fourth proportional to 9,931.01, 14,896.51 and 4,721.09 is: 7,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.01 : 14,896.51 = 4,721.09 : x
  2. Step 2: Convert to fraction form
    9,931.01/14,896.51 = 4,721.09/x
  3. Step 3: Cross multiply
    9,931.01x = 14,896.51 × 4,721.09
  4. Step 4: Simplify right side
    9,931.01x = 70,327,678.11
  5. Step 5: Solve for x
    x = 70,327,678.11/9,931.01
  6. Step 6: Final answer
    x = 7,081.63

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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.