Home / 10,897.47-16,331.84-4,320.06

Finding the Fourth Proportional to 10,897.47, 16,331.84 and 4,320.06

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Solution

The fourth proportional to 10,897.47, 16,331.84 and 4,320.06 is: 6,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.47 : 16,331.84 = 4,320.06 : x
  2. Step 2: Convert to fraction form
    10,897.47/16,331.84 = 4,320.06/x
  3. Step 3: Cross multiply
    10,897.47x = 16,331.84 × 4,320.06
  4. Step 4: Simplify right side
    10,897.47x = 70,554,507.11
  5. Step 5: Solve for x
    x = 70,554,507.11/10,897.47
  6. Step 6: Final answer
    x = 6,474.39

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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.