Home / 42,897.85-64,347.23-11,733.10

Finding the Fourth Proportional to 42,897.85, 64,347.23 and 11,733.10

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Solution

The fourth proportional to 42,897.85, 64,347.23 and 11,733.10 is: 17,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.85 : 64,347.23 = 11,733.10 : x
  2. Step 2: Convert to fraction form
    42,897.85/64,347.23 = 11,733.10/x
  3. Step 3: Cross multiply
    42,897.85x = 64,347.23 × 11,733.10
  4. Step 4: Simplify right side
    42,897.85x = 754,992,264.78
  5. Step 5: Solve for x
    x = 754,992,264.78/42,897.85
  6. Step 6: Final answer
    x = 17,599.77

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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.