Home / 10,935.48-16,389.37-6,985.22

Finding the Fourth Proportional to 10,935.48, 16,389.37 and 6,985.22

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Solution

The fourth proportional to 10,935.48, 16,389.37 and 6,985.22 is: 10,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.48 : 16,389.37 = 6,985.22 : x
  2. Step 2: Convert to fraction form
    10,935.48/16,389.37 = 6,985.22/x
  3. Step 3: Cross multiply
    10,935.48x = 16,389.37 × 6,985.22
  4. Step 4: Simplify right side
    10,935.48x = 114,483,355.11
  5. Step 5: Solve for x
    x = 114,483,355.11/10,935.48
  6. Step 6: Final answer
    x = 10,468.98

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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.