Home / 7,355.21-11,037.47-6,663.26

Finding the Fourth Proportional to 7,355.21, 11,037.47 and 6,663.26

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Solution

The fourth proportional to 7,355.21, 11,037.47 and 6,663.26 is: 9,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.21 : 11,037.47 = 6,663.26 : x
  2. Step 2: Convert to fraction form
    7,355.21/11,037.47 = 6,663.26/x
  3. Step 3: Cross multiply
    7,355.21x = 11,037.47 × 6,663.26
  4. Step 4: Simplify right side
    7,355.21x = 73,545,526.63
  5. Step 5: Solve for x
    x = 73,545,526.63/7,355.21
  6. Step 6: Final answer
    x = 9,999.11

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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.