Home / 13,037.04-17,988.30-7,733.61

Finding the Fourth Proportional to 13,037.04, 17,988.30 and 7,733.61

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Solution

The fourth proportional to 13,037.04, 17,988.30 and 7,733.61 is: 10,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.04 : 17,988.30 = 7,733.61 : x
  2. Step 2: Convert to fraction form
    13,037.04/17,988.30 = 7,733.61/x
  3. Step 3: Cross multiply
    13,037.04x = 17,988.30 × 7,733.61
  4. Step 4: Simplify right side
    13,037.04x = 139,114,496.76
  5. Step 5: Solve for x
    x = 139,114,496.76/13,037.04
  6. Step 6: Final answer
    x = 10,670.71

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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.