Home / 7,449.12-10,275.93-5,059.22

Finding the Fourth Proportional to 7,449.12, 10,275.93 and 5,059.22

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Solution

The fourth proportional to 7,449.12, 10,275.93 and 5,059.22 is: 6,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.12 : 10,275.93 = 5,059.22 : x
  2. Step 2: Convert to fraction form
    7,449.12/10,275.93 = 5,059.22/x
  3. Step 3: Cross multiply
    7,449.12x = 10,275.93 × 5,059.22
  4. Step 4: Simplify right side
    7,449.12x = 51,988,139.19
  5. Step 5: Solve for x
    x = 51,988,139.19/7,449.12
  6. Step 6: Final answer
    x = 6,979.10

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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.