Home / 40,712.17-61,071.90-11,130.16

Finding the Fourth Proportional to 40,712.17, 61,071.90 and 11,130.16

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Solution

The fourth proportional to 40,712.17, 61,071.90 and 11,130.16 is: 16,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.17 : 61,071.90 = 11,130.16 : x
  2. Step 2: Convert to fraction form
    40,712.17/61,071.90 = 11,130.16/x
  3. Step 3: Cross multiply
    40,712.17x = 61,071.90 × 11,130.16
  4. Step 4: Simplify right side
    40,712.17x = 679,740,018.50
  5. Step 5: Solve for x
    x = 679,740,018.50/40,712.17
  6. Step 6: Final answer
    x = 16,696.24

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1.5x scale

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.