Home / 9,048.87-12,488.07-5,070.36

Finding the Fourth Proportional to 9,048.87, 12,488.07 and 5,070.36

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Solution

The fourth proportional to 9,048.87, 12,488.07 and 5,070.36 is: 6,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.87 : 12,488.07 = 5,070.36 : x
  2. Step 2: Convert to fraction form
    9,048.87/12,488.07 = 5,070.36/x
  3. Step 3: Cross multiply
    9,048.87x = 12,488.07 × 5,070.36
  4. Step 4: Simplify right side
    9,048.87x = 63,319,010.61
  5. Step 5: Solve for x
    x = 63,319,010.61/9,048.87
  6. Step 6: Final answer
    x = 6,997.45

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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.