Home / 6,901.12-9,528.96-5,570.56

Finding the Fourth Proportional to 6,901.12, 9,528.96 and 5,570.56

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Solution

The fourth proportional to 6,901.12, 9,528.96 and 5,570.56 is: 7,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.12 : 9,528.96 = 5,570.56 : x
  2. Step 2: Convert to fraction form
    6,901.12/9,528.96 = 5,570.56/x
  3. Step 3: Cross multiply
    6,901.12x = 9,528.96 × 5,570.56
  4. Step 4: Simplify right side
    6,901.12x = 53,081,643.42
  5. Step 5: Solve for x
    x = 53,081,643.42/6,901.12
  6. Step 6: Final answer
    x = 7,691.74

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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.