Home / 9,547.14-13,175.10-5,355.39

Finding the Fourth Proportional to 9,547.14, 13,175.10 and 5,355.39

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Solution

The fourth proportional to 9,547.14, 13,175.10 and 5,355.39 is: 7,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,547.14 : 13,175.10 = 5,355.39 : x
  2. Step 2: Convert to fraction form
    9,547.14/13,175.10 = 5,355.39/x
  3. Step 3: Cross multiply
    9,547.14x = 13,175.10 × 5,355.39
  4. Step 4: Simplify right side
    9,547.14x = 70,557,798.79
  5. Step 5: Solve for x
    x = 70,557,798.79/9,547.14
  6. Step 6: Final answer
    x = 7,390.46

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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.