Home / 11,328.51-15,631.60-6,547.53

Finding the Fourth Proportional to 11,328.51, 15,631.60 and 6,547.53

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Solution

The fourth proportional to 11,328.51, 15,631.60 and 6,547.53 is: 9,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.51 : 15,631.60 = 6,547.53 : x
  2. Step 2: Convert to fraction form
    11,328.51/15,631.60 = 6,547.53/x
  3. Step 3: Cross multiply
    11,328.51x = 15,631.60 × 6,547.53
  4. Step 4: Simplify right side
    11,328.51x = 102,348,341.58
  5. Step 5: Solve for x
    x = 102,348,341.58/11,328.51
  6. Step 6: Final answer
    x = 9,034.58

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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.