Home / 10,547.56-15,823.74-5,614.60

Finding the Fourth Proportional to 10,547.56, 15,823.74 and 5,614.60

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Solution

The fourth proportional to 10,547.56, 15,823.74 and 5,614.60 is: 8,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.56 : 15,823.74 = 5,614.60 : x
  2. Step 2: Convert to fraction form
    10,547.56/15,823.74 = 5,614.60/x
  3. Step 3: Cross multiply
    10,547.56x = 15,823.74 × 5,614.60
  4. Step 4: Simplify right side
    10,547.56x = 88,843,970.60
  5. Step 5: Solve for x
    x = 88,843,970.60/10,547.56
  6. Step 6: Final answer
    x = 8,423.18

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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.