Home / 8,329.84-11,491.72-5,345.04

Finding the Fourth Proportional to 8,329.84, 11,491.72 and 5,345.04

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Solution

The fourth proportional to 8,329.84, 11,491.72 and 5,345.04 is: 7,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.84 : 11,491.72 = 5,345.04 : x
  2. Step 2: Convert to fraction form
    8,329.84/11,491.72 = 5,345.04/x
  3. Step 3: Cross multiply
    8,329.84x = 11,491.72 × 5,345.04
  4. Step 4: Simplify right side
    8,329.84x = 61,423,703.07
  5. Step 5: Solve for x
    x = 61,423,703.07/8,329.84
  6. Step 6: Final answer
    x = 7,373.94

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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.