Home / 13,070.96-19,606.40-3,210.12

Finding the Fourth Proportional to 13,070.96, 19,606.40 and 3,210.12

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Solution

The fourth proportional to 13,070.96, 19,606.40 and 3,210.12 is: 4,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.96 : 19,606.40 = 3,210.12 : x
  2. Step 2: Convert to fraction form
    13,070.96/19,606.40 = 3,210.12/x
  3. Step 3: Cross multiply
    13,070.96x = 19,606.40 × 3,210.12
  4. Step 4: Simplify right side
    13,070.96x = 62,938,896.77
  5. Step 5: Solve for x
    x = 62,938,896.77/13,070.96
  6. Step 6: Final answer
    x = 4,815.17

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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.