Home / 13,069.02-18,035.27-7,100.70

Finding the Fourth Proportional to 13,069.02, 18,035.27 and 7,100.70

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Solution

The fourth proportional to 13,069.02, 18,035.27 and 7,100.70 is: 9,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.02 : 18,035.27 = 7,100.70 : x
  2. Step 2: Convert to fraction form
    13,069.02/18,035.27 = 7,100.70/x
  3. Step 3: Cross multiply
    13,069.02x = 18,035.27 × 7,100.70
  4. Step 4: Simplify right side
    13,069.02x = 128,063,006.19
  5. Step 5: Solve for x
    x = 128,063,006.19/13,069.02
  6. Step 6: Final answer
    x = 9,798.98

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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.