Home / 9,718.47-14,577.93-3,478.91

Finding the Fourth Proportional to 9,718.47, 14,577.93 and 3,478.91

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Solution

The fourth proportional to 9,718.47, 14,577.93 and 3,478.91 is: 5,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.47 : 14,577.93 = 3,478.91 : x
  2. Step 2: Convert to fraction form
    9,718.47/14,577.93 = 3,478.91/x
  3. Step 3: Cross multiply
    9,718.47x = 14,577.93 × 3,478.91
  4. Step 4: Simplify right side
    9,718.47x = 50,715,315.57
  5. Step 5: Solve for x
    x = 50,715,315.57/9,718.47
  6. Step 6: Final answer
    x = 5,218.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.