Home / 9,210.17-12,710.13-5,018.42

Finding the Fourth Proportional to 9,210.17, 12,710.13 and 5,018.42

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Solution

The fourth proportional to 9,210.17, 12,710.13 and 5,018.42 is: 6,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.17 : 12,710.13 = 5,018.42 : x
  2. Step 2: Convert to fraction form
    9,210.17/12,710.13 = 5,018.42/x
  3. Step 3: Cross multiply
    9,210.17x = 12,710.13 × 5,018.42
  4. Step 4: Simplify right side
    9,210.17x = 63,784,770.59
  5. Step 5: Solve for x
    x = 63,784,770.59/9,210.17
  6. Step 6: Final answer
    x = 6,925.47

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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.