Home / 9,384.24-12,941.40-6,999.48

Finding the Fourth Proportional to 9,384.24, 12,941.40 and 6,999.48

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Solution

The fourth proportional to 9,384.24, 12,941.40 and 6,999.48 is: 9,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.24 : 12,941.40 = 6,999.48 : x
  2. Step 2: Convert to fraction form
    9,384.24/12,941.40 = 6,999.48/x
  3. Step 3: Cross multiply
    9,384.24x = 12,941.40 × 6,999.48
  4. Step 4: Simplify right side
    9,384.24x = 90,583,070.47
  5. Step 5: Solve for x
    x = 90,583,070.47/9,384.24
  6. Step 6: Final answer
    x = 9,652.68

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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.