Home / 9,898.26-13,658.95-5,649.51

Finding the Fourth Proportional to 9,898.26, 13,658.95 and 5,649.51

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Solution

The fourth proportional to 9,898.26, 13,658.95 and 5,649.51 is: 7,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.26 : 13,658.95 = 5,649.51 : x
  2. Step 2: Convert to fraction form
    9,898.26/13,658.95 = 5,649.51/x
  3. Step 3: Cross multiply
    9,898.26x = 13,658.95 × 5,649.51
  4. Step 4: Simplify right side
    9,898.26x = 77,166,374.61
  5. Step 5: Solve for x
    x = 77,166,374.61/9,898.26
  6. Step 6: Final answer
    x = 7,795.95

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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.