Home / 10,038.59-15,071.60-6,471.03

Finding the Fourth Proportional to 10,038.59, 15,071.60 and 6,471.03

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Solution

The fourth proportional to 10,038.59, 15,071.60 and 6,471.03 is: 9,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.59 : 15,071.60 = 6,471.03 : x
  2. Step 2: Convert to fraction form
    10,038.59/15,071.60 = 6,471.03/x
  3. Step 3: Cross multiply
    10,038.59x = 15,071.60 × 6,471.03
  4. Step 4: Simplify right side
    10,038.59x = 97,528,775.75
  5. Step 5: Solve for x
    x = 97,528,775.75/10,038.59
  6. Step 6: Final answer
    x = 9,715.39

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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.