Home / 10,695.40-16,043.10-6,548.20

Finding the Fourth Proportional to 10,695.40, 16,043.10 and 6,548.20

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Solution

The fourth proportional to 10,695.40, 16,043.10 and 6,548.20 is: 9,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.40 : 16,043.10 = 6,548.20 : x
  2. Step 2: Convert to fraction form
    10,695.40/16,043.10 = 6,548.20/x
  3. Step 3: Cross multiply
    10,695.40x = 16,043.10 × 6,548.20
  4. Step 4: Simplify right side
    10,695.40x = 105,053,427.42
  5. Step 5: Solve for x
    x = 105,053,427.42/10,695.40
  6. Step 6: Final answer
    x = 9,822.30

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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.