Home / 10,931.02-16,396.35-7,060.30

Finding the Fourth Proportional to 10,931.02, 16,396.35 and 7,060.30

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Solution

The fourth proportional to 10,931.02, 16,396.35 and 7,060.30 is: 10,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.02 : 16,396.35 = 7,060.30 : x
  2. Step 2: Convert to fraction form
    10,931.02/16,396.35 = 7,060.30/x
  3. Step 3: Cross multiply
    10,931.02x = 16,396.35 × 7,060.30
  4. Step 4: Simplify right side
    10,931.02x = 115,763,149.91
  5. Step 5: Solve for x
    x = 115,763,149.91/10,931.02
  6. Step 6: Final answer
    x = 10,590.33

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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.