Home / 12,701.68-17,528.07-7,036.81

Finding the Fourth Proportional to 12,701.68, 17,528.07 and 7,036.81

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Solution

The fourth proportional to 12,701.68, 17,528.07 and 7,036.81 is: 9,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.68 : 17,528.07 = 7,036.81 : x
  2. Step 2: Convert to fraction form
    12,701.68/17,528.07 = 7,036.81/x
  3. Step 3: Cross multiply
    12,701.68x = 17,528.07 × 7,036.81
  4. Step 4: Simplify right side
    12,701.68x = 123,341,698.26
  5. Step 5: Solve for x
    x = 123,341,698.26/12,701.68
  6. Step 6: Final answer
    x = 9,710.66

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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.