Home / 9,472.19-13,070.88-5,279.63

Finding the Fourth Proportional to 9,472.19, 13,070.88 and 5,279.63

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Solution

The fourth proportional to 9,472.19, 13,070.88 and 5,279.63 is: 7,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.19 : 13,070.88 = 5,279.63 : x
  2. Step 2: Convert to fraction form
    9,472.19/13,070.88 = 5,279.63/x
  3. Step 3: Cross multiply
    9,472.19x = 13,070.88 × 5,279.63
  4. Step 4: Simplify right side
    9,472.19x = 69,009,344.82
  5. Step 5: Solve for x
    x = 69,009,344.82/9,472.19
  6. Step 6: Final answer
    x = 7,285.47

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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.