Home / 9,926.81-13,699.02-5,450.85

Finding the Fourth Proportional to 9,926.81, 13,699.02 and 5,450.85

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Solution

The fourth proportional to 9,926.81, 13,699.02 and 5,450.85 is: 7,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926.81 : 13,699.02 = 5,450.85 : x
  2. Step 2: Convert to fraction form
    9,926.81/13,699.02 = 5,450.85/x
  3. Step 3: Cross multiply
    9,926.81x = 13,699.02 × 5,450.85
  4. Step 4: Simplify right side
    9,926.81x = 74,671,303.17
  5. Step 5: Solve for x
    x = 74,671,303.17/9,926.81
  6. Step 6: Final answer
    x = 7,522.19

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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.