Home / 7,319.34-10,087.47-5,326.74

Finding the Fourth Proportional to 7,319.34, 10,087.47 and 5,326.74

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Solution

The fourth proportional to 7,319.34, 10,087.47 and 5,326.74 is: 7,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.34 : 10,087.47 = 5,326.74 : x
  2. Step 2: Convert to fraction form
    7,319.34/10,087.47 = 5,326.74/x
  3. Step 3: Cross multiply
    7,319.34x = 10,087.47 × 5,326.74
  4. Step 4: Simplify right side
    7,319.34x = 53,733,329.95
  5. Step 5: Solve for x
    x = 53,733,329.95/7,319.34
  6. Step 6: Final answer
    x = 7,341.28

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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.