Home / 7,575.12-10,448.28-5,055.96

Finding the Fourth Proportional to 7,575.12, 10,448.28 and 5,055.96

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Solution

The fourth proportional to 7,575.12, 10,448.28 and 5,055.96 is: 6,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.12 : 10,448.28 = 5,055.96 : x
  2. Step 2: Convert to fraction form
    7,575.12/10,448.28 = 5,055.96/x
  3. Step 3: Cross multiply
    7,575.12x = 10,448.28 × 5,055.96
  4. Step 4: Simplify right side
    7,575.12x = 52,826,085.75
  5. Step 5: Solve for x
    x = 52,826,085.75/7,575.12
  6. Step 6: Final answer
    x = 6,973.63

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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.