Home / 9,051.19-12,490-5,017.72

Finding the Fourth Proportional to 9,051.19, 12,490 and 5,017.72

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Solution

The fourth proportional to 9,051.19, 12,490 and 5,017.72 is: 6,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.19 : 12,490 = 5,017.72 : x
  2. Step 2: Convert to fraction form
    9,051.19/12,490 = 5,017.72/x
  3. Step 3: Cross multiply
    9,051.19x = 12,490 × 5,017.72
  4. Step 4: Simplify right side
    9,051.19x = 62,671,322.80
  5. Step 5: Solve for x
    x = 62,671,322.80/9,051.19
  6. Step 6: Final answer
    x = 6,924.10

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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.