Home / 8,875.32-13,312.98-3,031.98

Finding the Fourth Proportional to 8,875.32, 13,312.98 and 3,031.98

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Solution

The fourth proportional to 8,875.32, 13,312.98 and 3,031.98 is: 4,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.32 : 13,312.98 = 3,031.98 : x
  2. Step 2: Convert to fraction form
    8,875.32/13,312.98 = 3,031.98/x
  3. Step 3: Cross multiply
    8,875.32x = 13,312.98 × 3,031.98
  4. Step 4: Simplify right side
    8,875.32x = 40,364,689.10
  5. Step 5: Solve for x
    x = 40,364,689.10/8,875.32
  6. Step 6: Final answer
    x = 4,547.97

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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.