Home / 9,491.01-13,098.05-5,715.35

Finding the Fourth Proportional to 9,491.01, 13,098.05 and 5,715.35

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Solution

The fourth proportional to 9,491.01, 13,098.05 and 5,715.35 is: 7,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.01 : 13,098.05 = 5,715.35 : x
  2. Step 2: Convert to fraction form
    9,491.01/13,098.05 = 5,715.35/x
  3. Step 3: Cross multiply
    9,491.01x = 13,098.05 × 5,715.35
  4. Step 4: Simplify right side
    9,491.01x = 74,859,846.00
  5. Step 5: Solve for x
    x = 74,859,846.00/9,491.01
  6. Step 6: Final answer
    x = 7,887.45

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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.