Home / 37,988.72-56,988.48-11,695.64

Finding the Fourth Proportional to 37,988.72, 56,988.48 and 11,695.64

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Solution

The fourth proportional to 37,988.72, 56,988.48 and 11,695.64 is: 17,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,988.72 : 56,988.48 = 11,695.64 : x
  2. Step 2: Convert to fraction form
    37,988.72/56,988.48 = 11,695.64/x
  3. Step 3: Cross multiply
    37,988.72x = 56,988.48 × 11,695.64
  4. Step 4: Simplify right side
    37,988.72x = 666,516,746.23
  5. Step 5: Solve for x
    x = 666,516,746.23/37,988.72
  6. Step 6: Final answer
    x = 17,545.12

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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.