Home / 10,365.66-14,271.30-9,225.90

Finding the Fourth Proportional to 10,365.66, 14,271.30 and 9,225.90

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Solution

The fourth proportional to 10,365.66, 14,271.30 and 9,225.90 is: 12,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.66 : 14,271.30 = 9,225.90 : x
  2. Step 2: Convert to fraction form
    10,365.66/14,271.30 = 9,225.90/x
  3. Step 3: Cross multiply
    10,365.66x = 14,271.30 × 9,225.90
  4. Step 4: Simplify right side
    10,365.66x = 131,665,586.67
  5. Step 5: Solve for x
    x = 131,665,586.67/10,365.66
  6. Step 6: Final answer
    x = 12,702.09

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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.