Home / 11,307.22-15,598.70-7,329.62

Finding the Fourth Proportional to 11,307.22, 15,598.70 and 7,329.62

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Solution

The fourth proportional to 11,307.22, 15,598.70 and 7,329.62 is: 10,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.22 : 15,598.70 = 7,329.62 : x
  2. Step 2: Convert to fraction form
    11,307.22/15,598.70 = 7,329.62/x
  3. Step 3: Cross multiply
    11,307.22x = 15,598.70 × 7,329.62
  4. Step 4: Simplify right side
    11,307.22x = 114,332,543.49
  5. Step 5: Solve for x
    x = 114,332,543.49/11,307.22
  6. Step 6: Final answer
    x = 10,111.46

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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.