Home / 13,088.08-18,059.52-7,498

Finding the Fourth Proportional to 13,088.08, 18,059.52 and 7,498

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Solution

The fourth proportional to 13,088.08, 18,059.52 and 7,498 is: 10,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.08 : 18,059.52 = 7,498 : x
  2. Step 2: Convert to fraction form
    13,088.08/18,059.52 = 7,498/x
  3. Step 3: Cross multiply
    13,088.08x = 18,059.52 × 7,498
  4. Step 4: Simplify right side
    13,088.08x = 135,410,280.96
  5. Step 5: Solve for x
    x = 135,410,280.96/13,088.08
  6. Step 6: Final answer
    x = 10,346.08

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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.