Home / 10,465.48-14,442.40-5,989.30

Finding the Fourth Proportional to 10,465.48, 14,442.40 and 5,989.30

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Solution

The fourth proportional to 10,465.48, 14,442.40 and 5,989.30 is: 8,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.48 : 14,442.40 = 5,989.30 : x
  2. Step 2: Convert to fraction form
    10,465.48/14,442.40 = 5,989.30/x
  3. Step 3: Cross multiply
    10,465.48x = 14,442.40 × 5,989.30
  4. Step 4: Simplify right side
    10,465.48x = 86,499,939.25
  5. Step 5: Solve for x
    x = 86,499,939.25/10,465.48
  6. Step 6: Final answer
    x = 8,265.26

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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.