Home / 10,922.61-15,068.93-6,723.57

Finding the Fourth Proportional to 10,922.61, 15,068.93 and 6,723.57

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Solution

The fourth proportional to 10,922.61, 15,068.93 and 6,723.57 is: 9,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.61 : 15,068.93 = 6,723.57 : x
  2. Step 2: Convert to fraction form
    10,922.61/15,068.93 = 6,723.57/x
  3. Step 3: Cross multiply
    10,922.61x = 15,068.93 × 6,723.57
  4. Step 4: Simplify right side
    10,922.61x = 101,316,972.06
  5. Step 5: Solve for x
    x = 101,316,972.06/10,922.61
  6. Step 6: Final answer
    x = 9,275.89

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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.