Home / 9,018.63-12,445.11-5,038.97

Finding the Fourth Proportional to 9,018.63, 12,445.11 and 5,038.97

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Solution

The fourth proportional to 9,018.63, 12,445.11 and 5,038.97 is: 6,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.63 : 12,445.11 = 5,038.97 : x
  2. Step 2: Convert to fraction form
    9,018.63/12,445.11 = 5,038.97/x
  3. Step 3: Cross multiply
    9,018.63x = 12,445.11 × 5,038.97
  4. Step 4: Simplify right side
    9,018.63x = 62,710,473.71
  5. Step 5: Solve for x
    x = 62,710,473.71/9,018.63
  6. Step 6: Final answer
    x = 6,953.44

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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.