Home / 8,931.99-12,323.63-7,037.70

Finding the Fourth Proportional to 8,931.99, 12,323.63 and 7,037.70

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Solution

The fourth proportional to 8,931.99, 12,323.63 and 7,037.70 is: 9,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.99 : 12,323.63 = 7,037.70 : x
  2. Step 2: Convert to fraction form
    8,931.99/12,323.63 = 7,037.70/x
  3. Step 3: Cross multiply
    8,931.99x = 12,323.63 × 7,037.70
  4. Step 4: Simplify right side
    8,931.99x = 86,729,975.66
  5. Step 5: Solve for x
    x = 86,729,975.66/8,931.99
  6. Step 6: Final answer
    x = 9,710.04

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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.