Home / 11,069.02-15,267.39-10,702.90

Finding the Fourth Proportional to 11,069.02, 15,267.39 and 10,702.90

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Solution

The fourth proportional to 11,069.02, 15,267.39 and 10,702.90 is: 14,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.02 : 15,267.39 = 10,702.90 : x
  2. Step 2: Convert to fraction form
    11,069.02/15,267.39 = 10,702.90/x
  3. Step 3: Cross multiply
    11,069.02x = 15,267.39 × 10,702.90
  4. Step 4: Simplify right side
    11,069.02x = 163,405,348.43
  5. Step 5: Solve for x
    x = 163,405,348.43/11,069.02
  6. Step 6: Final answer
    x = 14,762.40

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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.