Home / 9,312.68-13,970.52-3,070.88

Finding the Fourth Proportional to 9,312.68, 13,970.52 and 3,070.88

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Solution

The fourth proportional to 9,312.68, 13,970.52 and 3,070.88 is: 4,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.68 : 13,970.52 = 3,070.88 : x
  2. Step 2: Convert to fraction form
    9,312.68/13,970.52 = 3,070.88/x
  3. Step 3: Cross multiply
    9,312.68x = 13,970.52 × 3,070.88
  4. Step 4: Simplify right side
    9,312.68x = 42,901,790.46
  5. Step 5: Solve for x
    x = 42,901,790.46/9,312.68
  6. Step 6: Final answer
    x = 4,606.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.