Home / 7,280.04-10,038.42-6,165.48

Finding the Fourth Proportional to 7,280.04, 10,038.42 and 6,165.48

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Solution

The fourth proportional to 7,280.04, 10,038.42 and 6,165.48 is: 8,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.04 : 10,038.42 = 6,165.48 : x
  2. Step 2: Convert to fraction form
    7,280.04/10,038.42 = 6,165.48/x
  3. Step 3: Cross multiply
    7,280.04x = 10,038.42 × 6,165.48
  4. Step 4: Simplify right side
    7,280.04x = 61,891,677.74
  5. Step 5: Solve for x
    x = 61,891,677.74/7,280.04
  6. Step 6: Final answer
    x = 8,501.56

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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.