Home / 10,932.56-16,398.84-7,031.60

Finding the Fourth Proportional to 10,932.56, 16,398.84 and 7,031.60

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Solution

The fourth proportional to 10,932.56, 16,398.84 and 7,031.60 is: 10,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.56 : 16,398.84 = 7,031.60 : x
  2. Step 2: Convert to fraction form
    10,932.56/16,398.84 = 7,031.60/x
  3. Step 3: Cross multiply
    10,932.56x = 16,398.84 × 7,031.60
  4. Step 4: Simplify right side
    10,932.56x = 115,310,083.34
  5. Step 5: Solve for x
    x = 115,310,083.34/10,932.56
  6. Step 6: Final answer
    x = 10,547.40

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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.