Home / 7,381.04-10,188.56-4,548.88

Finding the Fourth Proportional to 7,381.04, 10,188.56 and 4,548.88

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Solution

The fourth proportional to 7,381.04, 10,188.56 and 4,548.88 is: 6,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.04 : 10,188.56 = 4,548.88 : x
  2. Step 2: Convert to fraction form
    7,381.04/10,188.56 = 4,548.88/x
  3. Step 3: Cross multiply
    7,381.04x = 10,188.56 × 4,548.88
  4. Step 4: Simplify right side
    7,381.04x = 46,346,536.81
  5. Step 5: Solve for x
    x = 46,346,536.81/7,381.04
  6. Step 6: Final answer
    x = 6,279.13

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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.